Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-10858

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Main Vulnerability Database Vulnerabilities #VU116122

Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-10858

Published: September 26, 2025


Vulnerability identifier: #VU116122
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2025-10858
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. A remote attacker can upload specially crafted JSON files and perform a denial of service (DoS) attack.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-10858

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 18.2.7, 18.3.3, 18.4.1
GitLab Enterprise Edition - addressed in versions 18.2.7, 18.3.3, 18.4.1

External References

Related Security Bulletins