Authorization Flaw in GitLab CE/EE Versions Leading to Unauthorized Access
CVE-2025-7000

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
15 November 2025

What is CVE-2025-7000?

An authorization flaw has been identified in GitLab CE/EE that affects various versions, which could potentially allow unauthorized users to access confidential branch names. This vulnerability arises when specific conditions are met, enabling unauthorized access through project issues linked to related merge requests. Users are advised to update their GitLab installations to newer versions to mitigate this risk effectively.

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Deploy the Patch

Affected Version(s)

GitLab 17.6 < 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/553129
issue-trackingpermissions-required
https://hackerone.com/reports/3214025
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 [weasterhacker](https://hackerone.com/weasterhacker) for reporting this vulnerability through our HackerOne bug bounty program
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