CVE-2026-9807 — MEDIUM (4.3)

Q: How severe is CVE-2026-9807?

CVE-2026-9807 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-9807?

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 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 18.9.0, < 18.10.7

Related Weaknesses (CWE)

CWE-863

References

https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-releaseRelease Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/590694Broken Link
https://hackerone.com/reports/3554993Permissions Required

FAQ

What is CVE-2026-9807?

CVE-2026-9807 is a vulnerability with a CVSS score of 4.3 (MEDIUM). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked ...

How severe is CVE-2026-9807?

CVE-2026-9807 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9807?

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