Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.1.4, < 18.10.8 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-releaseRelease Notes
- https://gitlab.com/gitlab-org/gitlab/-/work_items/600099Issue Tracking
- https://hackerone.com/reports/3722842Permissions Required
FAQ
What is CVE-2026-8589?
CVE-2026-8589 is a vulnerability with a CVSS score of 7.3 (HIGH). GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenti...
How severe is CVE-2026-8589?
CVE-2026-8589 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-2026-8589?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.