Common Weakness Enumeration
CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
4551 vulnerabilities reference this CWE, most recent first.
CVE-2026-80208 (GCVE-0-2026-80208)
Vulnerability from cvelistv5 – Published: 2026-08-27 14:50 – Updated: 2026-09-24 14:19
VLAI
EPSS
VEX
Title
APITable through 1.13.0-beta.1 Missing Authentication on the Internal Account Closure Endpoints
Summary
APITable through 1.13.0-beta.1 annotates both getUserHistories and closePausedUserAccount in InternalUserController with requiredLogin = false. ResourceInterceptor honours that annotation by returning before any session or API key is validated, and the nginx gateway shipped with the product proxies every /api request to the backend server, so both endpoints are reachable by any unauthenticated client that can reach the gateway. An attacker can POST to /api/v1/internal/getUserHistories to enumerate the accounts sitting in the 30-day cooling-off period that follows a deletion request, then POST to /api/v1/internal/users/{userId}/close for each one. The closure path clears the account's email address, phone number and nickname, cancels its space subscriptions, removes its space memberships and deletes its OAuth bindings, so the cooling-off window that exists to let a user reverse a deletion request is bypassed and the account cannot be recovered.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 18:38 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/apitable/apitable/issues/1812 | issue-tracking |
| https://github.com/apitable/apitable | product |
| https://github.com/apitable/apitable/blob/88b24ce… | technical-description |
| https://www.vulncheck.com/advisories/apitable-thr… | third-party-advisory |
Impacted products
Date Public
2026-07-01 00:00
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CVE-2026-80207 (GCVE-0-2026-80207)
Vulnerability from cvelistv5 – Published: 2026-08-27 14:50 – Updated: 2026-09-24 14:19
VLAI
EPSS
VEX
Title
APITable through 1.13.0-beta.1 Missing Authentication on the Internal Notification Create Endpoint
Summary
APITable through 1.13.0-beta.1 annotates the create handler of InternalNotifyController with requiredLogin = false. ResourceInterceptor honours that annotation by returning before any session or API key is validated, and the nginx gateway shipped with the product proxies every /api request to the backend server, so POST /api/v1/internal/notification/create is reachable by any unauthenticated client that can reach the gateway. An attacker can persist arbitrary notifications in apitable_player_notification against any user ID they name, and because fromUserId can be set to 0 the message is stored with the system sender and renders in the victim's inbox as a legitimate system notification. The body extras content is stored verbatim and forwarded to the frontend.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 18:10 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/apitable/apitable/issues/1813 | issue-tracking |
| https://github.com/apitable/apitable | product |
| https://github.com/apitable/apitable/blob/88b24ce… | technical-description |
| https://www.vulncheck.com/advisories/apitable-thr… | third-party-advisory |
Impacted products
Date Public
2026-07-01 00:00
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CVE-2026-80132 (GCVE-0-2026-80132)
Vulnerability from cvelistv5 – Published: 2026-09-07 12:42 – Updated: 2026-09-08 16:55
VLAI
EPSS
VEX
Summary
ell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 16:41 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00050342… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application |
Affected:
0 , < 5.36.00.00 or later
(semver)
|
|
| Dell | Secure Connect Gateway 5.0 - Appliance |
Affected:
0 , < 5.36.00.16 or later
(semver)
|
Date Public
2026-08-31 06:30
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CVE-2026-79961 (GCVE-0-2026-79961)
Vulnerability from cvelistv5 – Published: 2026-09-09 12:03 – Updated: 2026-09-09 16:00
VLAI
EPSS
VEX
Summary
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 15:51 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00050342… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application |
Affected:
0 , < 5.36.00.00 or later
(semver)
|
|
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Affected:
0 , < 5.36.00.16 or later
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Date Public
2026-08-31 06:30
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CVE-2026-79954 (GCVE-0-2026-79954)
Vulnerability from cvelistv5 – Published: 2026-09-18 00:26 – Updated: 2026-09-18 19:58
VLAI
EPSS
VEX
Title
NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID
Summary
NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand (TC) receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the frame's GVCID.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:58 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://fluidattacks.com/advisories/linkin | third-party-advisory |
| https://github.com/nasa/CryptoLib | product |
Impacted products
Date Public
2026-09-18 00:11
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CVE-2026-79687 (GCVE-0-2026-79687)
Vulnerability from cvelistv5 – Published: 2026-09-01 15:58 – Updated: 2026-09-02 03:55
VLAI
EPSS
VEX
Summary
Dell PowerStore SDNAS contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Filesystem access.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 00:00 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00049782… | vendor-advisory |
Impacted products
12 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerStore 500T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 1000T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 1200T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 3000T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 3200Q |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 3200T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 5000T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 5200Q |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 5200T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 7000T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 9000T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
|
| Dell | PowerStore 9200T |
Affected:
0 , < 4.3.1.2-2771239 or later
(semver)
|
Date Public
2026-08-27 06:30
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CVE-2026-79668 (GCVE-0-2026-79668)
Vulnerability from cvelistv5 – Published: 2026-08-25 11:33 – Updated: 2026-08-26 16:11
VLAI
EPSS
VEX
Title
Ech0 before 4.7.3 Unauthenticated Like Endpoint Metric Inflation
Summary
Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the fav_count field for any known echo identifier, compromising the integrity of engagement metrics and social ranking systems.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:58 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/lin-snow/Ech0/security/advisor… | vendor-advisory |
| https://www.vulncheck.com/advisories/ech0-before-… | third-party-advisory |
Impacted products
Date Public
2026-05-03 00:00
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CVE-2026-79645 (GCVE-0-2026-79645)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:04 – Updated: 2026-09-08 13:05
VLAI
EPSS
VEX
Summary
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:04 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-in/00050342… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Secure Connect Gateway 5.0 - Application |
Affected:
0 , < 5.36.00.00 or later
(semver)
|
|
| Dell | Secure Connect Gateway 5.0 - Appliance |
Affected:
0 , < 5.36.00.16 or later
(semver)
|
Date Public
2026-08-31 06:30
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CVE-2026-78578 (GCVE-0-2026-78578)
Vulnerability from cvelistv5 – Published: 2026-10-01 17:42 – Updated: 2026-10-01 18:08
VLAI
EPSS
VEX
Title
Unauthenticated do Method Onboarding Connect Allows Wi‑Fi Reconfiguration Denial of Service Vulnerability in TP-Link Tapo C120 & C200
Summary
Tapo C120 v1 and C200 v5
do not enforce authentication for do method HTTPS onboarding connect actions
after initial setup. An unauthenticated adjacent
attacker can submit unauthorized wireless configuration parameters, causing the
camera to attempt connection to a different network.
Successful
exploitation disconnects the camera from its intended wireless network, making
it unreachable on its management address, resulting in a denial-of-service
condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:08 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
5 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C200 v5 |
Affected:
0 , < V5_1.4.6 Build 260709 Rel.27675n
(custom)
|
|
| TP-Link Systems Inc. | Tapo C120 v1 |
Affected:
0 , < V1_1.9.4 Build 260813 Rel.79754n
(custom)
|
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CVE-2026-78577 (GCVE-0-2026-78577)
Vulnerability from cvelistv5 – Published: 2026-10-01 17:41 – Updated: 2026-10-01 18:08
VLAI
EPSS
VEX
Title
Unauthenticated Onboarding Scan Information Disclosure in TP-Link Tapo C120 & C200
Summary
Tapo C120 v1 and C200 V5
contain a vulnerability in the HTTPS onboarding scan function due to missing authentication.
After initial setup, an unauthenticated attacker on the same local network can
invoke the scan action and retrieve nearby wireless access-point metadata,
including SSIDs, BSSIDs, authentication and encryption modes, and
signal-strength information.
Successful
exploitation may disclose information about the wireless environment
surrounding the camera, allowing an attacker to learn elements of the local
wireless topology.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:08 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
5 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Tapo C200 v5 |
Affected:
0 , < V5_1.4.6 Build 260709 Rel.27675n
(custom)
|
|
| TP-Link Systems Inc. | Tapo C120 v1 |
Affected:
0 , < V1_1.9.4 Build 260813 Rel.79754n
(custom)
|
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Mitigation
Architecture and Design
- Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
- Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
- In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Architecture and Design
- Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
- In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation
System Configuration
Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier
This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.
CAPEC-166: Force the System to Reset Values
An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.
CAPEC-216: Communication Channel Manipulation
An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.
CAPEC-36: Using Unpublished Interfaces or Functionality
An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.
CAPEC-62: Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.