Vulnerability Details CVE-2026-18252
GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 26.4%
CVSS Severity
CVSS v3 Score 7.3