Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.9.0, < 18.6.6 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-releaseRelease NotesVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/584975Broken LinkIssue Tracking
- https://hackerone.com/reports/3486862Permissions Required
FAQ
What is CVE-2026-0595?
CVE-2026-0595 is a vulnerability with a CVSS score of 7.3 (HIGH). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authentic...
How severe is CVE-2026-0595?
CVE-2026-0595 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0595?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.