Token Exposure Vulnerability in GitLab CE/EE
CVE-2025-5819

5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
13 August 2025

What is CVE-2025-5819?

A vulnerability in GitLab CE/EE has been identified that affects multiple versions, allowing authenticated users with developer access to potentially retrieve ID tokens for protected branches under specific conditions. This security issue raises concerns about the management of tokens and user permissions, highlighting the necessity for rigorous access control to safeguard sensitive information.

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Deploy the Patch

Affected Version(s)

GitLab 15.7 < 18.0.6

GitLab 18.1 < 18.1.4

GitLab 18.2 < 18.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/548165
issue-trackingpermissions-required
https://hackerone.com/reports/3137660
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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