Common Weakness Enumeration

CWE-306

Allowed

Missing Authentication for Critical Function

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

2200 vulnerabilities reference this CWE, most recent first.

CVE-2026-123963 (GCVE-0-2026-123963)

Vulnerability from cvelistv5 – Published: 2026-11-07 12:30 – Updated: 2026-11-07 12:30
VLAI
Title
OpenBMB Internet of Agents Agent Registry app.py register missing authentication
Summary
A security vulnerability has been detected in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. The impacted element is the function register of the file im_server/app.py of the component Agent Registry. Such manipulation of the argument desc/name leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/432033 vdb-entrytechnical-description
https://vuldb.com/vuln/432033/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123963 third-party-advisory
https://vuldb.com/submit/1033797 third-party-advisory
https://github.com/OpenBMB/IoA/issues/21 exploitissue-tracking
Impacted products
Vendor Product Version
OpenBMB Internet of Agents Affected: 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
    cpe:2.3:a:openbmb:internet_of_agents:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Evo1ution (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-123811 (GCVE-0-2026-123811)

Vulnerability from cvelistv5 – Published: 2026-11-09 21:01 – Updated: 2026-11-09 21:01
VLAI
Title
Dynatrace MCP Server: Unauthenticated HTTP MCP Tool Invocation in `@dynatrace-oss/dynatrace-mcp-server`
Summary
Dynatrace MCP Server is an MCP server for Dynatrace Observability. Prior to 2.0.0, a server started with the --http option accepts JSON-RPC tools/call requests without authentication, session validation, or Host and Origin protections before dispatching them under the server's configured Dynatrace credentials. A network-reachable caller can invoke execute_dql to read logs, security events, user sessions, and other Grail data, or invoke create_dynatrace_notebook to create tenant-visible notebooks. The send_event path is not affected because its requestHumanApproval gate blocks this attack path, and reset_grail_budget only demonstrates dispatch without accessing Dynatrace data. This issue is fixed in version 2.0.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:L
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
GitHub_M CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-123530 (GCVE-0-2026-123530)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-09 14:31
VLAI
Title
Vikunja before 2.7.1 Missing Step-Up Authentication via TOTP Enrollment Endpoints
Summary
Vikunja before 2.7.1 contains a missing authentication vulnerability that allows attackers holding a stolen session to enroll and enable TOTP without the account password. Attackers can call the TOTP enroll and enable endpoints with their own secret to lock the owner out, persisting even after password reset.
Severity
6 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 14:31 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
go-vikunja vikunja Affected: 0 , < 2.7.1 (semver)
Unaffected: 2.7.1 (semver)
    cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-22 00:00
Credits
dagadjno
Show details on NVD website
To clipboard 

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CVE-2026-123208 (GCVE-0-2026-123208)

Vulnerability from cvelistv5 – Published: 2026-11-05 18:16 – Updated: 2026-11-09 17:52
VLAI
Title
noname v1.11.2 through v1.11.6.1 Missing Authentication in Electron Local File Server
Summary
noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file server with wildcard CORS that allows malicious websites to read, overwrite, or delete installation files. Attackers can send cross-origin requests to /writeFile on localhost port 8089 to overwrite renderer scripts, executing JavaScript with Node.js access as the local user.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 17:50 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
libnoname noname Affected: v1.11.2 , ≤ v1.11.6.1 (custom)
Create a notification for this product.
Date Public
2026-10-16 00:00
Credits
George Chen rintim
Show details on NVD website
To clipboard 

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CVE-2026-123206 (GCVE-0-2026-123206)

Vulnerability from cvelistv5 – Published: 2026-11-05 18:16 – Updated: 2026-11-05 19:03
VLAI
Title
EdgeChat before 2.20.3 Missing Authentication for Attachment Download via GET /files/:key
Summary
EdgeChat before 2.20.3 contains a missing authentication vulnerability in the GET /files/:key route that allows unauthenticated or banned users to download decrypted public-channel attachments because canAccessFile() accepts a null user id. Attackers holding an attachment object key can omit or supply an invalid token to retrieve plaintext attachments without a session or channel membership.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 19:03 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
aozorae EdgeChat Affected: 0 , < 2.20.3 (semver)
Create a notification for this product.
Date Public
2026-11-05 00:00
Credits
hieuPenguinnn aozorae
Show details on NVD website
To clipboard 

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CVE-2026-123032 (GCVE-0-2026-123032)

Vulnerability from cvelistv5 – Published: 2026-11-05 14:15 – Updated: 2026-11-05 16:26
VLAI
Title
OpenBMB Internet of Agents WebSocket Connection Manager app.py ConnectionManager.connect missing authentication
Summary
A security flaw has been discovered in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This affects the function ConnectionManager.connect of the file im_server/app.py of the component WebSocket Connection Manager. The manipulation of the argument agent_name results in missing authentication. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 16:25 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/431401 vdb-entrytechnical-description
https://vuldb.com/vuln/431401/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123032 third-party-advisory
https://vuldb.com/submit/1033550 third-party-advisory
https://github.com/OpenBMB/IoA/issues/17 exploitissue-tracking
Impacted products
Vendor Product Version
OpenBMB Internet of Agents Affected: 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
    cpe:2.3:a:openbmb:internet_of_agents:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Evo1ution (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-123024 (GCVE-0-2026-123024)

Vulnerability from cvelistv5 – Published: 2026-11-05 13:45 – Updated: 2026-11-05 21:22
VLAI
Title
agentscope-ai AgentScope Agent Service deps.py get_current_user_id missing authentication
Summary
A vulnerability has been found in agentscope-ai AgentScope up to 2.0.11. This impacts the function get_current_user_id of the file src/agentscope/app/deps.py of the component Agent Service. Such manipulation of the argument X-User-ID leads to missing authentication. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 21:22 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
agentscope-ai AgentScope Affected: 2.0.0
Affected: 2.0.1
Affected: 2.0.2
Affected: 2.0.3
Affected: 2.0.4
Affected: 2.0.5
Affected: 2.0.6
Affected: 2.0.7
Affected: 2.0.8
Affected: 2.0.9
Affected: 2.0.10
Affected: 2.0.11
    cpe:2.3:a:agentscope-ai:agentscope:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Ybyu (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-122236 (GCVE-0-2026-122236)

Vulnerability from cvelistv5 – Published: 2026-11-05 03:45 – Updated: 2026-11-05 20:53 X_Open Source
VLAI
Title
OpenHands Landing missing authentication
Summary
A vulnerability has been found in OpenHands up to 1.24.0. This impacts an unknown function of the component Landing Page. Such manipulation leads to missing authentication. The attack must be carried out from within the local network. The exploit has been disclosed to the public and may be used. Upgrading to version 1.25.0 will fix this issue. The name of the patch is c5efa3ae415def0a903c82d2b17b748e663b1995. Upgrading the affected component is recommended.
Severity
5.3 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 20:53 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
n/a OpenHands Affected: 1.0
Affected: 1.1
Affected: 1.2
Affected: 1.3
Affected: 1.4
Affected: 1.5
Affected: 1.6
Affected: 1.7
Affected: 1.8
Affected: 1.9
Affected: 1.10
Affected: 1.11
Affected: 1.12
Affected: 1.13
Affected: 1.14
Affected: 1.15
Affected: 1.16
Affected: 1.17
Affected: 1.18
Affected: 1.19
Affected: 1.20
Affected: 1.21
Affected: 1.22
Affected: 1.23
Affected: 1.24.0
Unaffected: 1.25.0
    cpe:2.3:a:openhands:openhands:*:*:*:*:*:*:*:*
Credits
huan notwo1f PoriaMs (VulDB User) PoriaMs (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-121933 (GCVE-0-2026-121933)

Vulnerability from cvelistv5 – Published: 2026-11-04 19:15 – Updated: 2026-11-09 16:52
VLAI
Title
Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
Summary
A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:52 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
Linksys E5350 Affected: 1.0.00.037
    cpe:2.3:h:linksys:e5350:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
liuyingqi (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-121926 (GCVE-0-2026-121926)

Vulnerability from cvelistv5 – Published: 2026-11-04 17:00 – Updated: 2026-11-09 16:36
VLAI
Title
yezhihao jt808-server Web Management API WebMvcConfig.addInterceptors missing authentication
Summary
A vulnerability was detected in yezhihao jt808-server up to a07f68c466b560b97ef41edb8a4966469abdf83e. Affected is the function WebMvcConfig.addInterceptors of the component Web Management API. The manipulation results in missing authentication. The attack may be launched remotely. The exploit is now public and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:34 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/431035 vdb-entrytechnical-description
https://vuldb.com/vuln/431035/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-121926 third-party-advisory
https://vuldb.com/submit/1023350 third-party-advisory
https://gist.github.com/janceye26-svg/eddbfcd42bb… exploit
Impacted products
Vendor Product Version
yezhihao jt808-server Affected: a07f68c466b560b97ef41edb8a4966469abdf83e
    cpe:2.3:a:yezhihao:jt808-server:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
jance (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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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.

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