CVE-2026-2900
Missing Authorization in GitLab
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:NAvailabilityNone
Weaknesses
Affected Products
GitLab
commercial·NLaka gitlab ce/ee
GitLab Inc.
commercial·US
and 1 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
References
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
about.gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/590983
gitlab.com
https://hackerone.com/reports/3561092
hackerone.com
and 1 more references View all →
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