Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-1516

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Main Vulnerability Database Vulnerabilities #VU111087

Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-1516

Published: June 12, 2025


Vulnerability identifier: #VU111087
CSH Severity: High
CVSS v4: 7.1 [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]
CVE-ID: CVE-2025-1516
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient validation of user-supplied input within unbounded Webhook token names. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-1516

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 17.10.8, 17.11.4, 18.0.2
GitLab Enterprise Edition - addressed in versions 17.10.8, 17.11.4, 18.0.2

External References

Related Security Bulletins