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CVE-2026-5296

Missing Authorization in GitLab

Published: May 27, 2026Updated: May 27, 2026 Sources: CVE List NVD
NVD MITRE
4.3CVSS
MEDIUM

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that when foundational flows were enabled at the group level, could have allowed an authenticated user with developer-role permissions to bypass flow restrictions under certain conditions.

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:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-862

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://gitlab.com/gitlab-org/gitlab/-/work_items/595423
gitlab.com
https://hackerone.com/reports/3626303
hackerone.com
https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/
about.gitlab.com

Timeline

Published
May 27, 2026
Last Updated
May 27, 2026

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