CVE-2026-14814

Permissive Regular Expression in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed a user to poison cached responses for raw repository files, causing targeted users' CI/CD pipelines to execute specially crafted content and potentially exposing protected environment variables, due to improper validation of repository references.

Affected

GitLab

CVSS v3.1 GITLAB

8.2 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS

0.25% chance of exploitation in the next 30 days, 15th percentile

Published

2026-10-13

Updated

2026-10-14

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3832707

Security advisories

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released
• https://gitlab.com/gitlab-org/gitlab/-/work_items/604950

References

• CVE Record
• NVD entry