CVE-2026-6269 — MEDIUM (5.4)

Q: How severe is CVE-2026-6269?

CVE-2026-6269 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-6269?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.

Vulnerability Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 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 with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.10.0, < 18.10.8

Related Weaknesses (CWE)

CWE-863

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/596625Issue Tracking
https://hackerone.com/reports/3661880Permissions Required

FAQ

What is CVE-2026-6269?

CVE-2026-6269 is a vulnerability with a CVSS score of 5.4 (MEDIUM). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 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 authen...

How severe is CVE-2026-6269?

CVE-2026-6269 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-6269?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.