CVE-2026-13320

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

CVSS Vector

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/604063
• https://hackerone.com/reports/3816917