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CVE-2026-2900

Missing Authorization in GitLab

Published: May 14, 2026Updated: May 16, 2026 Sources: CVE List NVD BDUCWE-862
NVD MITRE
2.7CVSSLOW
EPSS Score
0.2%
Top 87.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-862

Affected Products

GitlabGitLab Inc.DevTools & CI
GitLabGitLab
SaaSWeb App
DevTools & CI / ci-cd
gitlabgitlab
SaaSWeb App
DevTools & CI / ci-cd
gitlab inc.commercialUSDevTools & CI
gitlabcommercialNLDevTools & CIaka gitlab ce/ee

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released
about.gitlab.com
https://hackerone.com/reports/3561092
hackerone.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/590983
gitlab.com
and 1 more references View all →

Timeline

Published
May 14, 2026
Last Updated
May 16, 2026

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