Access Control Vulnerability in GitLab EE Affecting Multiple Versions
CVE-2025-4976

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
24 July 2025

What is CVE-2025-4976?

An access control vulnerability has been identified in GitLab EE that may permit unauthorized access to sensitive internal notes within GitLab Duo responses. This issue affects several versions, particularly those prior to 18.0.5, 18.1.3, and 18.2.1. Under specific circumstances, an attacker could exploit this flaw, compromising data security and privacy. It is crucial for users of affected versions to apply recommended updates promptly to mitigate the risks associated with this vulnerability.

Affected Version(s)

GitLab 17.0 < 18.0.5

GitLab 18.1 < 18.1.3

GitLab 18.2 < 18.2.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/543905
issue-trackingpermissions-required
https://hackerone.com/reports/3149956
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [rogerace](https://hackerone.com/rogerace) for reporting this vulnerability through our HackerOne bug bounty program
.