CVE-2023-3920 MEDIUM

CVE-2023-3920: Incorrect Authorization in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-863 · Incorrect authorization
Published September 29, 2023
Last update April 25, 2026
View on NVD All CVEs

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 starting from 11.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that a maintainer to create a fork relationship between existing projects contrary to the documentation.

Key dates

02Disclosure timeline

September 29, 2023 CVE published
April 25, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2026-50266 CVE-2023-49734 Apache Superset: Privilege Escalation Vulnerability CVE-2025-24420 Adobe Commerce | Incorrect Authorization (CWE-863) CVE-2024-28148 Apache Superset: Incorrect datasource authorization on explore REST API CVE-2025-62487 Under certain configurations, file artifacts uploaded to the Dossier and Slides apps did not inherit security markings of their parent artifact. This lack of security markings could lead to unintended access to the uploaded files.