CVE-2025-12664
Denial of Service via GraphQL in GitLab CE/EE
Publication date: 2026-04-08
Last updated on: 2026-04-14
Assigner: GitLab Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gitlab | gitlab | From 13.0.0 (inc) to 18.8.9 (exc) |
| gitlab | gitlab | From 18.10.0 (inc) to 18.10.3 (exc) |
| gitlab | gitlab | From 18.9.0 (inc) to 18.9.5 (exc) |
| gitlab | gitlab | From 18.9.0 (inc) to 18.9.5 (exc) |
| gitlab | gitlab | From 18.10.0 (inc) to 18.10.3 (exc) |
| gitlab | gitlab | From 13.0.0 (inc) to 18.8.9 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1284 | The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in GitLab CE/EE affects versions from 13.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3. It allows an unauthenticated user to cause a denial of service (DoS) by sending repeated GraphQL queries.
How can this vulnerability impact me? :
The impact of this vulnerability is a denial of service condition, meaning that an attacker can disrupt the availability of the GitLab service by sending repeated GraphQL queries without needing to authenticate.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.8.9 or later if you are using the 18.8 series, 18.9.5 or later for the 18.9 series, or 18.10.3 or later for the 18.10 series.
These updates address the issue where an unauthenticated user could cause a denial of service by sending repeated GraphQL queries.