Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 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 with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.11.0, < 18.11.7 |
Related Weaknesses (CWE)
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/597887Broken Link
- https://hackerone.com/reports/3682085Permissions Required
FAQ
What is CVE-2026-6896?
CVE-2026-6896 is a vulnerability with a CVSS score of 8.7 (HIGH). GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 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 authenticat...
How severe is CVE-2026-6896?
CVE-2026-6896 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6896?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.