CVE-2026-5309 — MEDIUM (5.4)

Q: How severe is CVE-2026-5309?

CVE-2026-5309 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-2026-5309?

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 EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to read or modify another group's virtual registry cleanup policy settings without authorization.

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	>= 18.6.0, < 18.11.6

Related Weaknesses (CWE)

CWE-639

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/595468Broken Link
https://hackerone.com/reports/3628793Permissions Required

FAQ

What is CVE-2026-5309?

CVE-2026-5309 is a vulnerability with a CVSS score of 5.4 (MEDIUM). GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticate...

How severe is CVE-2026-5309?

CVE-2026-5309 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-2026-5309?

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