CVE-2023-3920

MEDIUM

Gitlab < 16.2.8 - Incorrect Authorization

Title source: rule

Description

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.

References (2)

[Issue Tracking, Vendor Advisory] https://gitlab.com/gitlab-org/gitlab/-/issues/417481

[Permissions Required] https://hackerone.com/reports/2058121

Scores

CVSS v3 4.3

EPSS 0.0032

EPSS Percentile 54.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-863

Status published

Affected Products (4)

gitlab/gitlab < 16.2.8

gitlab/gitlab

Timeline

Published Sep 29, 2023

Tracked Since Feb 18, 2026