CVE-2023-1555

Missing Authorization in GitLab

Published Sep 1, 2023 CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
Description
An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.

Remediation

Vendor Solution

Upgrade to versions 16.3.1, 16.2.5, 16.1.5 or above.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-23789 An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.
History
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Title Improper Access Control in GitLab Missing Authorization in GitLab
Weaknesses CWE-262
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Nov 20, 2025, 4:06 AM
Reserved
Mar 22, 2023, 9:18 AM
Status
Modified
Published
Sep 1, 2023, 11:15 AM
Modified
Jun 17, 2026, 5:28 AM