CWE-295
Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
CVE-2026-44700 (GCVE-0-2026-44700)
Vulnerability from cvelistv5 – Published: 2026-05-14 20:51 – Updated: 2026-05-15 11:22
VLAI
Title
Elixir WebRTC: Missing DTLS peer fingerprint validation in ex_webrtc client-role handshake
Summary
Elixir WebRTC is an Elixir implementation of the W3C WebRTC API. Prior to 0.15.1 and 0.16.1, missing DTLS peer certificate fingerprint validation in the DTLS client (active) role removes one side of WebRTC's mutual authentication. The bug is not independently exploitable for media interception in standard deployments, but enables a full man-in-the-middle attack when chained with insecure signalling or a peer with similar validation gaps. This vulnerability is fixed in 0.15.1 and 0.16.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/elixir-webrtc/ex_webrtc/securi… | x_refsource_CONFIRM |
| https://github.com/elixir-webrtc/ex_webrtc/issues/249 | x_refsource_MISC |
| https://github.com/elixir-webrtc/ex_webrtc/pull/250 | x_refsource_MISC |
| https://github.com/elixir-webrtc/ex_webrtc/releas… | x_refsource_MISC |
| https://github.com/elixir-webrtc/ex_webrtc/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| elixir-webrtc | ex_webrtc |
Affected:
< 0.15.1
Affected: >= 0.16.0, < 0.16.1 |
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CVE-2026-44900 (GCVE-0-2026-44900)
Vulnerability from cvelistv5 – Published: 2026-05-26 21:04 – Updated: 2026-05-28 14:12
VLAI
Title
epa4all-client: VAU Signature bypass
Summary
epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.1, in SignedPublicKeysTrustValidatorImpl.isTrusted(), the ECDSA signature verification at line 45 discards the boolean return value of Signature.verify(). The method performs certificate chain validation, OCSP check, and signature algorithm setup, but never checks whether the signature actually matches. For any structurally valid signature, it returns true. This vulnerability is fixed in 1.2.1.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/oviva-ag/epa4all-client/securi… | x_refsource_CONFIRM |
| https://github.com/oviva-ag/epa4all-client/pull/34 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| oviva-ag | epa4all-client |
Affected:
< 1.2.1
|
|
| com.oviva.telematik | epa4all-client |
Affected:
< 1.2.1
|
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CVE-2026-45170 (GCVE-0-2026-45170)
Vulnerability from cvelistv5 – Published: 2026-06-12 00:05 – Updated: 2026-06-12 13:36
VLAI
Title
Idira Privilege Cloud Connector: Potential Security Bypass due to Incomplete TLS Certificate Validation
Summary
Idira Privilege Cloud Connector versions prior 1.1.100504 under specific conditions and configuration scenarios, TLS certificate validation may not be fully enforced. CyberArk Security Bulletin: CA26-17
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://docs.cyberark.com/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberArk Software, a Palo Alto Networks Company | PAM SH Connector |
Affected:
1.1.0 , < 1.1.100504
(custom)
|
Date Public
2026-06-11 17:10
Credits
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CVE-2026-45175 (GCVE-0-2026-45175)
Vulnerability from cvelistv5 – Published: 2026-06-11 18:57 – Updated: 2026-06-13 03:55
VLAI
Title
Idira Endpoint Privilege Manager Agent: Security Control and Cryptographic Validation Bypass in Internal Agent Validation Processes
Summary
Idira Endpoint Privilege Manager Agent versions prior to 26.5 exhibit improper access control within internal agent validation processes. A local attacker could potentially bypass built-in security controls or cryptographic validations. Under specific circumstances, this could allow the attacker to circumvent agent self-defense mechanisms and execute unauthorized operations. CyberArk Security Bulletin: CA26-19
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://docs.cyberark.com/epm/latest/en/content/r… | vendor-advisory |
| https://docs.cyberark.com/epm/latest/en/content/r… | vendor-advisory |
| https://docs.cyberark.com/epm/latest/en/content/r… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberArk Software, a Palo Alto Networks Company | Idira Endpoint Privilege Manager |
Affected:
26.0 , < 26.5
(custom)
|
Date Public
2026-06-11 17:10
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CVE-2026-45574 (GCVE-0-2026-45574)
Vulnerability from cvelistv5 – Published: 2026-05-26 21:03 – Updated: 2026-05-27 13:21
VLAI
Title
epa4all-client: TLS Certificate Validation Disabled in Production
Summary
epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker on the network path between the ePA service and the Konnektor can present any TLS certificate (self-signed, expired, wrong CN) and intercept all SOAP traffic. This includes patient identifiers (KVNR), SMC-B card operations (authentication, signing), document content, and credential exchanges. This vulnerability is fixed in 1.2.2.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/oviva-ag/epa4all-client/securi… | x_refsource_CONFIRM |
| https://github.com/oviva-ag/epa4all-client/pull/36 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| oviva-ag | epa4all-client |
Affected:
< 1.2.2
|
|
| com.oviva.telematik | epa4all-client |
Affected:
< 1.2.2
|
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CVE-2026-45745 (GCVE-0-2026-45745)
Vulnerability from cvelistv5 – Published: 2026-06-05 17:53 – Updated: 2026-06-10 03:58
VLAI
Title
Termix has improper certificate validation in Electron desktop client that enables MITM credential/token theft
Summary
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Starting in version 1.7.0, Termix Desktop (Electron) disables TLS certificate validation, allowing a machine-in-the-middle attacker to intercept and modify HTTPS traffic to the configured Termix server. This can lead to credential theft and JWT/session theft during login and normal use. As of time of publication, no known patched versions are available.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Termix-SSH/Termix/security/adv… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Termix-SSH | Termix |
Affected:
>= 1.7.0, <= 2.2.1
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CVE-2026-4587 (GCVE-0-2026-4587)
Vulnerability from cvelistv5 – Published: 2026-03-23 12:46 – Updated: 2026-03-23 13:46
VLAI
Title
HybridAuth SSL Curl.php certificate validation
Summary
A vulnerability was found in HybridAuth up to 3.12.2. This issue affects some unknown processing of the file src/HttpClient/Curl.php of the component SSL Handler. The manipulation of the argument curlOptions results in improper certificate validation. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.352423 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.352423 | signaturepermissions-required |
| https://vuldb.com/?submit.775463 | third-party-advisory |
| https://github.com/hybridauth/hybridauth/issues/1444 | issue-tracking |
| https://github.com/hybridauth/hybridauth/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | HybridAuth |
Affected:
3.12.0
Affected: 3.12.1 Affected: 3.12.2 |
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CVE-2026-47074 (GCVE-0-2026-47074)
Vulnerability from cvelistv5 – Published: 2026-05-28 09:05 – Updated: 2026-05-29 04:40
VLAI
Title
ex_aws_sns SigningCertURL not validated in verify_message/1
Summary
Improper Certificate Validation vulnerability in ex-aws ex_aws_sns (ExAws.SNS, ExAws.SNS.PublicKeyCache modules) allows Signature Spoofing by Improper Validation.
This vulnerability is associated with program files lib/ex_aws/sns.ex, lib/ex_aws/sns/public_key_cache.ex and program routines 'Elixir.ExAws.SNS':verify_message/1, 'Elixir.ExAws.SNS.PublicKeyCache':get/1.
'Elixir.ExAws.SNS':verify_message/1 fetches the signing certificate from the SigningCertURL field of the incoming SNS message without validating that the URL uses HTTPS or that the host matches an AWS-owned SNS certificate domain. An unauthenticated attacker who can POST to an endpoint that calls verify_message/1 can supply an attacker-controlled SigningCertURL, sign a forged SNS message with their own key, and cause the function to return :ok, completely bypassing SNS signature verification.
This issue affects ex_aws_sns: from 2.0.1 before 2.3.5.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ex-aws/ex_aws_sns/security/adv… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-47074.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-47074 | related |
| https://github.com/ex-aws/ex_aws_sns/commit/1853d… | patch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ex-aws | ex_aws_sns |
Affected:
2.0.1 , < 2.3.5
(semver)
cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:* |
|
| ex-aws | ex_aws_sns |
Affected:
a7ec21880943f4dac1d59bda557db0ffcd2b61fa , < 1853d280b152d10384a1e21a22cf22152a60be48
(git)
cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:* |
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CVE-2026-4740 (GCVE-0-2026-4740)
Vulnerability from cvelistv5 – Published: 2026-04-07 14:30 – Updated: 2026-05-28 13:25
VLAI
Title
Rhacm: open cluster management (ocm): cross-cluster privilege escalation via improper kubernetes client certificate renewal validation
Summary
A flaw was found in Open Cluster Management (OCM), the technology underlying Red Hat Advanced Cluster Management (ACM). Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This enables cross-cluster privilege escalation and may allow an attacker to gain control over other managed clusters, including the hub cluster.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-4740 | vdb-entryx_refsource_REDHAT |
| https://blog.arfevrier.fr/open-cluster-management… | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2450590 | issue-trackingx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Multicluster Engine for Kubernetes |
cpe:/a:redhat:multicluster_engine |
Date Public
2026-04-07 14:00
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CVE-2026-48246 (GCVE-0-2026-48246)
Vulnerability from cvelistv5 – Published: 2026-05-21 17:11 – Updated: 2026-05-21 18:05
VLAI
Title
Open ISES Tickets < 3.44.2 Disabled TLS Certificate Verification in ajax/reports.php
Summary
Open ISES Tickets before 3.44.2 disables TLS certificate verification in ajax/reports.php by setting CURLOPT_SSL_VERIFYPEER to false (and not setting CURLOPT_SSL_VERIFYHOST) when issuing outbound HTTPS requests for Google Maps Directions API lookups during incident report generation. An attacker positioned on the network path between the server and the remote endpoint can present a forged certificate to intercept, monitor, or modify the request and response, including any API keys or session-bearing data in transit.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openises/tickets/releases/tag/… | release-notes |
| https://github.com/openises/tickets/commit/ecfeb4… | patch |
| https://www.vulncheck.com/advisories/open-ises-ti… | third-party-advisory |
Impacted products
Date Public
2026-04-02 00:00
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Mitigation
Phases: Architecture and Design, Implementation
Description:
- Certificates should be carefully managed and checked to assure that data are encrypted with the intended owner's public key.
Mitigation
Phase: Implementation
Description:
- If certificate pinning is being used, ensure that all relevant properties of the certificate are fully validated before the certificate is pinned, including the hostname.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.