CVE-2026-4868

GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners.

Score

CVSS 3.1 8.2 High

Status

Analyzed - cve@gitlab.com

Published

2026-05-27

Last modified

2026-10-14

Weaknesses

CWE-639

Affected products

• Gitlab (Gitlab)

References

• https://gitlab.com/gitlab-org/gitlab/-/work_items/594809
• https://hackerone.com/reports/3619872
• https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/