SB2025112663 - Multiple vulnerabilities in GitLab CE/EE

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Main Vulnerability Database SB2025112663

SB2025112663 - Multiple vulnerabilities in GitLab CE/EE

Published: November 26, 2025 Updated: November 27, 2025

Security Bulletin ID SB2025112663
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Race condition (CVE-ID: CVE-2024-9183)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to a race condition in CI/CD cache implementation. A remote user can obtain credentials from higher-privileged users and perform actions in their context under specific conditions.


2) Input validation error (CVE-ID: CVE-2025-12571)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied JSON input. A remote attacker can send specially crafted JSON payload to the application and perform a denial of service (DoS) attack.


3) Improper authentication (CVE-ID: CVE-2025-12653)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in account registration feature. A remote non-authenticated attacker can bypass authentication process and join any organization during registration by manipulating certain HTTP headers. 


4) Input validation error (CVE-ID: CVE-2025-7449)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP responses. A remote user can send specially crafted input to the application and perform a denial of service (DoS) attack.


5) Improper authorization (CVE-ID: CVE-2025-6195)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper authorization checks in markdown rendering. A remote user can view information from security reports under certain configuration conditions.


6) Information disclosure (CVE-ID: CVE-2025-13611)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in terraform registry. A remote user with access to certain logs to obtain sensitive tokens under specific conditions.


Remediation

Install update from vendor's website.

References