CVE-2023-6678 MEDIUM

CVE-2023-6678: Inefficient Regular Expression Complexity in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-1333
Published April 12, 2024
Last update November 20, 2025

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab EE affecting all versions before 16.8.6, all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. It was possible for an attacker to cause a denial of service using malicious crafted content in a junit test report file.

Key dates

02Disclosure timeline

April 12, 2024 CVE published
November 20, 2025 Record updated