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CVE-2026-3074

Authorization Bypass Through User-Controlled Key in GitLab

Published: May 14, 2026Updated: May 16, 2026 Sources: CVE List NVD BDUCWE-639
4.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 90.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.

No summary for this CVE yet.

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
Open in CVSS calculator →

Weaknesses

CWE-639

Affected Products

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

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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

MITRE ATT&CK

1 technique
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://gitlab.com/gitlab-org/gitlab/-/work_items/591229
gitlab.com
https://hackerone.com/reports/3556163
hackerone.com
and 1 more references View all →

Timeline

Published
May 14, 2026
Last Updated
May 16, 2026

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