Cross-site request forgery in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-19650

 

Cross-site request forgery in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-19650

Published: August 18, 2026


Vulnerability identifier: #VU143916
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-19650
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in GraphQL multiplex query handler. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2026-19650

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 18.11.11, 19.0.8, 19.1.6, 19.2.4
GitLab Enterprise Edition - addressed in versions 18.11.11, 19.0.8, 19.1.6, 19.2.4

External References

Related Security Bulletins