Access Control Vulnerability in GitLab CE/EE Products
CVE-2025-2615

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
15 November 2025

What is CVE-2025-2615?

GitLab has addressed a significant issue in its CE/EE versions that allowed blocked users to potentially access sensitive information. This vulnerability arose from improper handling of GraphQL subscriptions via WebSocket connections, enabling unauthorized users to gain access to secured data within the affected GitLab environments. Remediation has been implemented in the latest updates, and all users are advised to upgrade to secure their systems.

Affected Version(s)

GitLab 16.7 < 18.3.6

GitLab 18.4 < 18.4.4

GitLab 18.5 < 18.5.2

References

https://about.gitlab.com/releases/2025/11/12/patch-releas...
https://gitlab.com/gitlab-org/gitlab/-/issues/526360
issue-trackingpermissions-required
https://hackerone.com/reports/3049150
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.
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CVE-2025-2615 : Access Control Vulnerability in GitLab CE/EE Products