CVE-2023-4658 LOW

CVE-2023-4658: Incorrect Authorization in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-863 · Incorrect authorization
Published December 1, 2023
Last update April 26, 2026

CVSS base score

3.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

Key dates

02Disclosure timeline

December 1, 2023 CVE published
April 26, 2026 Record updated