Code Injection in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-19478
Published: August 18, 2026
Vulnerability identifier: #VU143915
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-19478
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within GraphQL directive. A remote attacker can modify or delete public projects and user data and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2026-19478
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 18.11.11, 19.0.8, 19.1.6, 19.2.4
Gitlab Community Edition - addressed in versions 18.11.11, 19.0.8, 19.1.6, 19.2.4
Gitlab Community Edition - addressed in versions 18.11.11, 19.0.8, 19.1.6, 19.2.4