CVE-2023-3920

Incorrect Authorization in GitLab

State: Published
Severity: 4.3 Medium
Published: Sep 29, 2023
Updated: Aug 14, 2026
Reserved: Jul 25, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	GitLab

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
GitLabGitLab	11.2 to before 16.2.8Affected 16.3 to before 16.3.5Affected 16.4 to before 16.4.1Affected

References

GitLab Issue #417481issue-tracking
HackerOne Bug Bounty Report #2058121technical-descriptionexploitpermissions-requiredbroken-link

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