CVE-2023-5226

Public Exploit
Improper Control of Generation of Code ('Code Injection') in GitLab

Description

An issue has been discovered in GitLab affecting all versions before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. Under certain circumstances, a malicious actor bypass prohibited branch checks using a specially crafted branch name to manipulate repository content in the UI.

Remediation

Solution:

  • Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/426400 vendor advisory broken link issue tracking
https://hackerone.com/reports/2173053 broken link third party advisory exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-5226?
CVE-2023-5226 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5226?
To fix CVE-2023-5226: Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above.
Is CVE-2023-5226 being actively exploited in the wild?
It is possible that CVE-2023-5226 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5226?
CVE-2023-5226 affects GitLab GitLab.
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