Permissions, Privileges, and Access Controls in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2023-2478
Published: May 5, 2023
Vulnerability identifier: #VU75770
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-2478
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise any project on the instance.
The vulnerability exists due to improper implementation of access permission. Under certain conditions, any GitLab user account on the instance can use a GraphQL endpoint to attach a malicious runner to any project on the instance.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2023-2478
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 15.9.7, 15.10.6, 15.11.2
Gitlab Community Edition - addressed in versions 15.9.7, 15.10.6, 15.11.2
Gitlab Community Edition - addressed in versions 15.9.7, 15.10.6, 15.11.2