CVE-2026-9807

Incorrect Authorization in GitLab

State: Published
Severity: 4.3 Medium
Published: May 28, 2026
Updated: May 28, 2026
Reserved: May 28, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
GitLabGitLab	18.9 to before 18.10.7Affected 18.11 to before 18.11.4Affected 19.0 to before 19.0.1Affected

References

HackerOne Bug Bounty Report #3554993technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/590694
https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.