CVE-2023-3979

LOW

Gitlab < 16.2.8 - Incorrect Authorization

Title source: rule

Description

An issue has been discovered in GitLab affecting all versions starting from 10.6 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 upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

References (2)

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/419972

[Permissions Required] https://hackerone.com/reports/2082560

Scores

CVSS v3 3.1

EPSS 0.0006

EPSS Percentile 18.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/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