CVE-2023-3906

Improper Validation of Specified Type of Input in GitLab

Published Sep 29, 2023 CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
Description
An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.

Remediation

Vendor Solution

Upgrade to version 16.2.8, 16.3.5, 16.4.1 or above

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-44532 An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
History
Type Values Removed Values Added
Weaknesses CWE-1333 NVD-CWE-Other
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Title Improper Input Validation in GitLab Improper Validation of Specified Type of Input in GitLab
Weaknesses CWE-1287
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', '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
Aug 14, 2026, 4:11 AM
Reserved
Jul 25, 2023, 10:30 AM
Status
Analyzed
Published
Sep 29, 2023, 7:15 AM
Modified
Jun 17, 2026, 6:15 AM