CVE-2025-3922
Denial of Service via Resource Exhaustion in GitLab GraphQL API
Publication date: 2026-04-22
Last updated on: 2026-04-23
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 18.10.0 (inc) to 18.10.4 (exc) |
| gitlab | gitlab | From 18.10.0 (inc) to 18.10.4 (exc) |
| gitlab | gitlab | From 12.4.0 (inc) to 18.9.6 (exc) |
| gitlab | gitlab | From 12.4.0 (inc) to 18.9.6 (exc) |
| gitlab | gitlab | 18.11.0 |
| gitlab | gitlab | 18.11.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in GitLab CE/EE versions before certain fixed releases allows an authenticated user to cause a denial of service (DoS). It occurs because the GraphQL API does not have sufficient resource allocation limits, which can lead to overwhelming system resources under certain conditions.
How can this vulnerability impact me? :
The impact of this vulnerability is a denial of service, meaning that an attacker who is authenticated could exhaust system resources and disrupt the availability of the GitLab service.
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 18.9.6 or later if you are using the 18.9 series, 18.10.4 or later for the 18.10 series, or 18.11.1 or later for the 18.11 series. These versions include the remediation for the denial of service caused by insufficient resource allocation limits in the GraphQL API.