CVE-2023-3964

Incorrect Authorization in GitLab

Published Dec 1, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.

Remediation

Vendor Solution

Upgrade to version 16.4.3, 16.5.3, or 16.6.1

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-44589 An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Title Improper Access Control in GitLab Incorrect Authorization in GitLab
Weaknesses CWE-863
Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
May 6, 2026, 4:05 AM
Reserved
Jul 26, 2023, 10:30 PM
Status
Modified
Published
Dec 1, 2023, 7:15 AM
Modified
Jun 17, 2026, 6:15 AM