CVE-2023-6840

Missing Authorization in GitLab

State: Published
Severity: 6.7 Medium
Published: Feb 7, 2024
Updated: Apr 24, 2026
Reserved: Dec 15, 2023

Description

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H	GitLab

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
GitLabGitLab	16.4 to before 16.6.7Affected 16.7 to before 16.7.5Affected 16.8 to before 16.8.2Affected

References

GitLab Issue #435500issue-trackingpermissions-required
HackerOne Bug Bounty Report #2280292technical-descriptionexploitpermissions-required

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