CVE-2023-3906 LOW

CVE-2023-3906: Improper Validation of Specified Type of Input in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-1287
Published September 29, 2023
Last update November 20, 2025

CVSS base score

3.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 29, 2023 CVE published
November 20, 2025 Record updated