CVE-2026-3073

Authorization Bypass Through User-Controlled Key in GitLab

Published: May 14, 2026Updated: May 16, 2026 Sources: CVE List NVD BDUCWE-639

4.3MEDIUM

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to bypass PyPI package protection rules and upload restricted packages due to improper authorization checks.

No summary for this CVE yet.

CVSS Vector Breakdown

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

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Weaknesses

CWE-639

Affected Products

GitLab

commercial·NLaka gitlab ce/ee

GitLabSaaSWeb App

DevTools & CI / ci-cd

GitLab Inc.

commercial·US

GitlabOn-premWeb App

DevTools & CI / source-control

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://hackerone.com/reports/3532563

hackerone.com

https://gitlab.com/gitlab-org/gitlab/-/work_items/591227

gitlab.com

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

about.gitlab.com

and 1 more references View all →

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