Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.8.0, < 18.10.7 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-releaseRelease NotesVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/594809Broken Link
- https://hackerone.com/reports/3619872Permissions Required
FAQ
What is CVE-2026-4868?
CVE-2026-4868 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 authenti...
How severe is CVE-2026-4868?
CVE-2026-4868 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4868?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.