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122 vulnerabilities by Nozomi Networks
CVE-2026-33920 (GCVE-0-2026-33920)
Vulnerability from nvd – Published: 2026-09-08 13:57 – Updated: 2026-09-08 14:20
VLAI
EPSS
VEX
Title
Cross-site request forgery in the Guardian/CMC login before 26.3.0
Summary
A cross-site request forgery vulnerability was discovered in the login functionality (both standard and SAML) due to missing validation of the anti-CSRF token. An attacker with a valid account can trick a victim into unknowingly authenticating with the attacker's credentials. Any operation performed by the victim in this state is attributed to the attacker's account, compromising the integrity of the audit trail.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:20 UTC
CWE
- CWE-352 - Cross-site request forgery (CSRF)
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33391 (GCVE-0-2026-33391)
Vulnerability from nvd – Published: 2026-09-08 13:56 – Updated: 2026-09-08 14:20
VLAI
EPSS
VEX
Title
Incorrect authorization in Smart Polling configuration in Guardian/CMC before 26.3.0
Summary
An access control vulnerability was discovered in the Smart Polling configuration functionality due to insufficient validation of user privileges. An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. This allows the attacker to disrupt the visibility of assets in the monitored network.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:20 UTC
CWE
- CWE-863 - Incorrect authorization
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33389 (GCVE-0-2026-33389)
Vulnerability from nvd – Published: 2026-09-08 13:55 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Disabled and non-configurable certificate/host key validation in Smart Polling in Guardian/CMC before 26.3.0 and Arc before v2.7.0
Summary
An improper certificate/host key validation vulnerability was discovered in the Smart Polling functionality, which established encrypted connections to target devices without validating the remote host's identity, and no option was provided to enable it. A man-in-the-middle attacker positioned between a sensor and a polled device can, during a polling session, impersonate the device and intercept the communication, including the credentials used to access it. The captured credentials can then be replayed to authenticate against the device itself or against other devices sharing the same credentials, allowing the attacker to access and tamper with the device's data and to disrupt its operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:19 UTC
CWE
- CWE-671 - Lack of Administrator Control over Security
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
(semver)
cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33388 (GCVE-0-2026-33388)
Vulnerability from nvd – Published: 2026-09-08 13:53 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Incorrect authorization in Credentials Manager in Guardian/CMC before 26.3.0
Summary
An access control vulnerability was discovered in the Credentials Manager functionality due to insufficient validation of user privileges. A remote authenticated user with limited privileges can view a limited subset of the available entries in the Credentials Manager. The actual credential values are not directly visible, but the user can delete entries or edit their properties. An attacker who deletes or edits an entry can disrupt authentication for dependent devices, and one who manipulates an entry's configuration may be able to indirectly obtain the credentials.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:19 UTC
CWE
- CWE-863 - Incorrect authorization
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.3.0
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cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33387 (GCVE-0-2026-33387)
Vulnerability from nvd – Published: 2026-09-08 13:50 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Insufficient sanitization of Dashboards in Guardian/CMC before 26.3.0
Summary
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Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:18 UTC
CWE
- CWE-1336 - Improper neutralization of special elements used in a template engine
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
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Affected:
0 , < 26.3.0
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Date Public
2026-09-08 07:00
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CVE-2026-33922 (GCVE-0-2026-33922)
Vulnerability from nvd – Published: 2026-08-11 09:48 – Updated: 2026-08-11 14:14
VLAI
EPSS
VEX
Title
Path traversal in the Offline archives functionality of the local web interface in Arc before v2.7.0
Summary
A path traversal vulnerability was discovered in the Offline archives functionality of the local web interface due to insufficient validation of an input parameter. A local user with administrative credentials for the web interface could submit an archive name containing traversal sequences and delete arbitrary files reachable by the Arc process, which runs with administrative privileges on the host.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:14 UTC
CWE
- CWE-22 - Improper limitation of a pathname to a restricted directory ('Path Traversal')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
(semver)
cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:*:*:* |
Date Public
2026-08-11 07:00
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CVE-2026-33921 (GCVE-0-2026-33921)
Vulnerability from nvd – Published: 2026-08-11 09:48 – Updated: 2026-08-11 14:15
VLAI
EPSS
VEX
Title
Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0
Summary
The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on that segment.
Severity
5.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:15 UTC
CWE
- CWE-1188 - Initialization of a resource with an insecure default
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
(semver)
cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:windows:*:* |
Date Public
2026-08-11 07:00
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CVE-2026-33390 (GCVE-0-2026-33390)
Vulnerability from nvd – Published: 2026-07-09 07:23 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:28 UTC
CWE
- CWE-266 - Incorrect privilege assignment
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31985 (GCVE-0-2026-31985)
Vulnerability from nvd – Published: 2026-07-09 07:23 – Updated: 2026-07-09 12:30
VLAI
EPSS
VEX
Title
Disabled and non-configurable TLS certificate validation in n2os-tui when connecting the Remote Collector to a Guardian or CMC, in Remote Collector before v26.2.0
Summary
When the upstream Guardian or CMC was configured in the Remote Collector via n2os-tui, the generated configuration disabled TLS certificate verification, and no option was provided to enable it. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Remote Collector and the Guardian or CMC. This could result in theft of the sync token, impersonation of the server, injection of spoofed data (such as false asset information or vulnerabilities) into the Guardian or CMC, or disruption of the data flow between the Remote Collector and the Guardian or CMC.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:30 UTC
CWE
- CWE-671 - Lack of administrator control over security
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Remote Collector |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:remote_collector:*:*:*:*:*:*:*:* |
Date Public
2026-07-07 07:00
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CVE-2026-31984 (GCVE-0-2026-31984)
Vulnerability from nvd – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
DoS through oversized audit log entries in Guardian/CMC before 26.2.0
Summary
A denial-of-service vulnerability caused by unbounded resource allocation was discovered in the audit logging functionality, due to a missing size limit on input recorded into audit entries. An unauthenticated attacker can submit requests containing excessively large input that is recorded into audit entries, possibly exhausting the available disk space and rendering the system inoperable.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:40 UTC
CWE
- CWE-770 - Allocation of resources without limits or throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31983 (GCVE-0-2026-31983)
Vulnerability from nvd – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0
Summary
A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:41 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
3 products
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Affected:
0 , < 26.2.0
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|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
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Date Public
2026-07-07 07:00
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CVE-2026-31982 (GCVE-0-2026-31982)
Vulnerability from nvd – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0
Summary
An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cached SAML redirection for other users who subsequently initiate SAML Single Sign-On, enabling phishing and credential-theft attacks, as well as disrupting SAML authentication for all affected users.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:41 UTC
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31981 (GCVE-0-2026-31981)
Vulnerability from nvd – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
HTML injection in Diagram tab and Graph view in Guardian/CMC before 26.2.0
Summary
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple input vectors. When a victim views the affected data in the Diagram tab and Graph view, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:43 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2025-40904 (GCVE-0-2025-40904)
Vulnerability from nvd – Published: 2026-05-19 13:23 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
HTML injection in Smart Polling in Guardian/CMC before 26.1.0
Summary
A Stored HTML Injection vulnerability was discovered in the Smart Polling functionality due to improper validation of an input parameter. An authenticated user with limited privileges can push malicious remote strategies containing HTML tags through the sync. When a victim views the affected remote strategy in the Smart Polling functionality, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 13:56 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-05-19 07:00
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CVE-2025-40903 (GCVE-0-2025-40903)
Vulnerability from nvd – Published: 2026-05-19 13:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
HTML injection in Schedule Restore Archive in Guardian/CMC before 26.1.0
Summary
A Stored HTML Injection vulnerability was discovered in the Schedule Restore Archive functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious restore schedule containing HTML tags. When a victim views the affected schedule, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 13:58 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-05-19 07:00
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CVE-2025-40902 (GCVE-0-2025-40902)
Vulnerability from nvd – Published: 2026-05-19 13:21 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
HTML injection in Users in Guardian/CMC before 26.1.0
Summary
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Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 14:04 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
0 , < 26.1.0
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cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.1.0
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cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-05-19 07:00
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CVE-2025-40901 (GCVE-0-2025-40901)
Vulnerability from nvd – Published: 2026-05-19 13:19 – Updated: 2026-08-11 12:22
VLAI
EPSS
VEX
Title
HTML injection in Credentials Manager in Guardian/CMC before 26.1.0
Summary
A Stored HTML Injection vulnerability was discovered in the Credentials Manager functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious identity containing HTML tags. When a victim attempts to delete the affected identity, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 14:05 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.1.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-05-19 07:00
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CVE-2026-33920 (GCVE-0-2026-33920)
Vulnerability from cvelistv5 – Published: 2026-09-08 13:57 – Updated: 2026-09-08 14:20
VLAI
EPSS
VEX
Title
Cross-site request forgery in the Guardian/CMC login before 26.3.0
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:20 UTC
CWE
- CWE-352 - Cross-site request forgery (CSRF)
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33391 (GCVE-0-2026-33391)
Vulnerability from cvelistv5 – Published: 2026-09-08 13:56 – Updated: 2026-09-08 14:20
VLAI
EPSS
VEX
Title
Incorrect authorization in Smart Polling configuration in Guardian/CMC before 26.3.0
Summary
An access control vulnerability was discovered in the Smart Polling configuration functionality due to insufficient validation of user privileges. An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. This allows the attacker to disrupt the visibility of assets in the monitored network.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:20 UTC
CWE
- CWE-863 - Incorrect authorization
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33389 (GCVE-0-2026-33389)
Vulnerability from cvelistv5 – Published: 2026-09-08 13:55 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Disabled and non-configurable certificate/host key validation in Smart Polling in Guardian/CMC before 26.3.0 and Arc before v2.7.0
Summary
An improper certificate/host key validation vulnerability was discovered in the Smart Polling functionality, which established encrypted connections to target devices without validating the remote host's identity, and no option was provided to enable it. A man-in-the-middle attacker positioned between a sensor and a polled device can, during a polling session, impersonate the device and intercept the communication, including the credentials used to access it. The captured credentials can then be replayed to authenticate against the device itself or against other devices sharing the same credentials, allowing the attacker to access and tamper with the device's data and to disrupt its operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:19 UTC
CWE
- CWE-671 - Lack of Administrator Control over Security
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.3.0
(semver)
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|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
(semver)
cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:*:*:* |
Date Public
2026-09-08 07:00
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CVE-2026-33388 (GCVE-0-2026-33388)
Vulnerability from cvelistv5 – Published: 2026-09-08 13:53 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Incorrect authorization in Credentials Manager in Guardian/CMC before 26.3.0
Summary
An access control vulnerability was discovered in the Credentials Manager functionality due to insufficient validation of user privileges. A remote authenticated user with limited privileges can view a limited subset of the available entries in the Credentials Manager. The actual credential values are not directly visible, but the user can delete entries or edit their properties. An attacker who deletes or edits an entry can disrupt authentication for dependent devices, and one who manipulates an entry's configuration may be able to indirectly obtain the credentials.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:19 UTC
CWE
- CWE-863 - Incorrect authorization
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.3.0
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Date Public
2026-09-08 07:00
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CVE-2026-33387 (GCVE-0-2026-33387)
Vulnerability from cvelistv5 – Published: 2026-09-08 13:50 – Updated: 2026-09-08 14:19
VLAI
EPSS
VEX
Title
Insufficient sanitization of Dashboards in Guardian/CMC before 26.3.0
Summary
A template injection vulnerability was discovered in the Dashboards functionality due to improper validation of an input parameter. An authenticated user with the required privileges can define a dashboard containing a malicious payload, or a victim can be socially engineered into importing a malicious dashboard. When the victim views or imports the dashboard, the payload executes in their browser context, allowing the attacker to modify application data or disrupt application availability.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:18 UTC
CWE
- CWE-1336 - Improper neutralization of special elements used in a template engine
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.3.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.3.0
(semver)
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Date Public
2026-09-08 07:00
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CVE-2026-33922 (GCVE-0-2026-33922)
Vulnerability from cvelistv5 – Published: 2026-08-11 09:48 – Updated: 2026-08-11 14:14
VLAI
EPSS
VEX
Title
Path traversal in the Offline archives functionality of the local web interface in Arc before v2.7.0
Summary
A path traversal vulnerability was discovered in the Offline archives functionality of the local web interface due to insufficient validation of an input parameter. A local user with administrative credentials for the web interface could submit an archive name containing traversal sequences and delete arbitrary files reachable by the Arc process, which runs with administrative privileges on the host.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:14 UTC
CWE
- CWE-22 - Improper limitation of a pathname to a restricted directory ('Path Traversal')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
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Date Public
2026-08-11 07:00
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CVE-2026-33921 (GCVE-0-2026-33921)
Vulnerability from cvelistv5 – Published: 2026-08-11 09:48 – Updated: 2026-08-11 14:15
VLAI
EPSS
VEX
Title
Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0
Summary
The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on that segment.
Severity
5.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:15 UTC
CWE
- CWE-1188 - Initialization of a resource with an insecure default
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Arc |
Affected:
0 , < 2.7.0
(semver)
cpe:2.3:a:nozomi_networks:arc:*:*:*:*:*:windows:*:* |
Date Public
2026-08-11 07:00
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CVE-2026-33390 (GCVE-0-2026-33390)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:23 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0
Summary
An Incorrect Privilege Assignment vulnerability was discovered in the synchronization functionality due to Arc sensors receiving CLI permissions. An authenticated user with limited privileges can push administrative CLI commands through the sync, altering the device configuration, and/or affecting its availability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:28 UTC
CWE
- CWE-266 - Incorrect privilege assignment
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31985 (GCVE-0-2026-31985)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:23 – Updated: 2026-07-09 12:30
VLAI
EPSS
VEX
Title
Disabled and non-configurable TLS certificate validation in n2os-tui when connecting the Remote Collector to a Guardian or CMC, in Remote Collector before v26.2.0
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:30 UTC
CWE
- CWE-671 - Lack of administrator control over security
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Remote Collector |
Affected:
0 , < 26.2.0
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cpe:2.3:a:nozomi_networks:remote_collector:*:*:*:*:*:*:*:* |
Date Public
2026-07-07 07:00
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CVE-2026-31984 (GCVE-0-2026-31984)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
DoS through oversized audit log entries in Guardian/CMC before 26.2.0
Summary
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Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:40 UTC
CWE
- CWE-770 - Allocation of resources without limits or throttling
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
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Date Public
2026-07-07 07:00
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CVE-2026-31983 (GCVE-0-2026-31983)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0
Summary
A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:41 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31982 (GCVE-0-2026-31982)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0
Summary
An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cached SAML redirection for other users who subsequently initiate SAML Single Sign-On, enabling phishing and credential-theft attacks, as well as disrupting SAML authentication for all affected users.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:41 UTC
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
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Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
Date Public
2026-07-07 07:00
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CVE-2026-31981 (GCVE-0-2026-31981)
Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-08-11 12:23
VLAI
EPSS
VEX
Title
HTML injection in Diagram tab and Graph view in Guardian/CMC before 26.2.0
Summary
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple input vectors. When a victim views the affected data in the Diagram tab and Graph view, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:43 UTC
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nozomi Networks | Guardian |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:* |
|
| Nozomi Networks | CMC |
Affected:
0 , < 26.2.0
(semver)
cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:* |
|
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
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|
Date Public
2026-07-07 07:00
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"value": "A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple input vectors. When a victim views the affected data in the Diagram tab and Graph view, the injected HTML renders in their browser, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration."
}
],
"impacts": [
{
"capecId": "CAPEC-592",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-592 Stored XSS"
}
]
}
],
"metrics": [
{
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "LOW",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-09T07:22:21.271Z",
"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c",
"shortName": "Nozomi"
},
"references": [
{
"url": "https://security.nozominetworks.com/NN-2026:8-01"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Upgrade to v26.2.0 or later.\u003cbr\u003e"
}
],
"value": "Upgrade to v26.2.0 or later."
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "HTML injection in Diagram tab and Graph view in Guardian/CMC before 26.2.0",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Use internal firewall features to limit access to the web management interface.\u003cbr\u003e"
}
],
"value": "Use internal firewall features to limit access to the web management interface."
},
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Review all accounts with administrative access to it and delete unnecessary ones.\u003cbr\u003e"
}
],
"value": "Review all accounts with administrative access to it and delete unnecessary ones."
}
],
"x_generator": {
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}
}
},
"cveMetadata": {
"assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c",
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"cveId": "CVE-2026-31981",
"datePublished": "2026-07-09T07:22:21.271Z",
"dateReserved": "2026-03-10T16:14:03.265Z",
"dateUpdated": "2026-08-11T12:23:39.257Z",
"state": "PUBLISHED"
},
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}