CVE-2023-4379

Name: CVE-2023-4379
Creator: NVD / NIST
Published: 2023-11-09T21:15:24.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2023-4379 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue has been discovered in GitLab EE affecting all versions starting from 15.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Code owner approval was not removed from merge requests when the target branch was updated.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab EE affecting all versions starting from 15.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Code owner approval was not removed from merge requests when the target branch was updated.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.50%

39.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.3.0, < 16.2.8
Gitlab	Gitlab	>= 16.3.0, < 16.3.5
Gitlab	Gitlab	16.4.0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/415496Issue Tracking
https://gitlab.com/gitlab-org/gitlab/-/issues/415496Issue Tracking

Timeline

Published: Nov 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4379?

How severe is CVE-2023-4379?

CVE-2023-4379 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4379?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4379?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST