CVE-2023-5512 MEDIUM

CVE-2023-5512: Improper Control of Generation of Code ('Code Injection') in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-94 · Code injection
Published December 15, 2023
Last update April 28, 2026

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.

Key dates

02Disclosure timeline

December 15, 2023 CVE published
April 28, 2026 Record updated