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CVE-2026-9807

Incorrect Authorization in GitLab

Published: May 28, 2026Updated: May 28, 2026 Sources: CVE List NVD
NVD MITRE
4.3CVSS
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 Project Access Token to continue accessing private resources due to incorrect authorization enforcement.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None

Weaknesses

CWE-863

Affected Products

GitLab
GitLab

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/
about.gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/590694
gitlab.com
https://hackerone.com/reports/3554993
hackerone.com

Timeline

Published
May 28, 2026
Last Updated
May 28, 2026

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