Authenticated User Vulnerability in GitLab CE/EE
CVE-2025-1250

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
12 September 2025

What is CVE-2025-1250?

A significant vulnerability has been identified in GitLab CE/EE, impacting multiple versions. The flaw allows authenticated users to disrupt background job processing by submitting specially formatted commit messages, merge request descriptions, or notes. This issue could lead to performance degradation and affect the overall functionality of the system, as jobs may be stalled by these crafted inputs. Organizations using affected versions should take immediate action to mitigate the risk associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

GitLab 15.0 < 18.1.6

GitLab 18.2 < 18.2.6

GitLab 18.3 < 18.3.2

References

https://about.gitlab.com/releases/2025/09/10/patch-releas...
https://gitlab.com/gitlab-org/gitlab/-/issues/519335
issue-trackingpermissions-required
https://hackerone.com/reports/2903896
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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