Denial of Service Vulnerability in GitLab by GitLab Inc.
CVE-2025-10004

7.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
9 October 2025

What is CVE-2025-10004?

GitLab has addressed a vulnerability in its CE/EE product line, affecting multiple versions, that could lead to instances becoming unresponsive or severely degraded. Attackers can exploit this issue by sending specially crafted GraphQL queries that request large repository blobs, potentially overwhelming the server and disrupting normal operations. Users are encouraged to upgrade to the patched versions promptly to mitigate any risk associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

GitLab 13.12 < 18.2.8

GitLab 18.3 < 18.3.4

GitLab 18.4 < 18.4.2

References

https://about.gitlab.com/releases/2025/10/08/patch-releas...
https://gitlab.com/gitlab-org/gitlab/-/issues/568121
issue-trackingpermissions-required
https://hackerone.com/reports/3026555
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
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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