CVE-2023-6840

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.

CVSS v3.1

6.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H

CVSS v3.1

6.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H

EPSS

0.56% chance of exploitation in the next 30 days, 45th percentile

Published

2024-02-07

Updated

2026-04-24

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2280292

References

• CVE Record
• NVD entry

Related

• CVE-2023-6832
• CVE-2023-6843
• CVE-2023-6831
• CVE-2023-6845
• CVE-2023-6825
• CVE-2023-6848