An issue was discovered in GitLab CE/EE affecting all versions starting from 11.6 prior to 17.2.9, starting from 17.3 prior to 17.3.5, and starting from 17.4 prior to 17.4.2, which allows an attacker to trigger a pipeline as another user under certain circumstances.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)