CVE-2023-5198 MEDIUM

CVE-2023-5198: Incorrect Authorization in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-863 · Incorrect authorization
Published September 29, 2023
Last update May 17, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab affecting all versions prior to 16.2.7, all versions starting from 16.3 before 16.3.5, and all versions starting from 16.4 before 16.4.1. It was possible for a removed project member to write to protected branches using deploy keys.

Key dates

02Disclosure timeline

September 29, 2023 CVE published
May 17, 2026 Record updated