CVE-2025-8770

Authorization Bypass Through User-Controlled Key in GitLab

Description

An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.

Remediation

Solution:

  • Upgrade to versions 18.0.6, 18.1.4, 18.2.2 or above.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/549105 broken link issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2025-8770?
CVE-2025-8770 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8770?
To fix CVE-2025-8770: Upgrade to versions 18.0.6, 18.1.4, 18.2.2 or above.
Is CVE-2025-8770 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-8770 is being actively exploited. 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-2025-8770?
CVE-2025-8770 affects GitLab GitLab.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.