CVE-2025-12664
Received Received - Intake
Denial of Service via GraphQL in GitLab CE/EE

Publication date: 2026-04-08

Last updated on: 2026-04-14

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service by sending repeated GraphQL queries.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-08
Last Modified
2026-04-14
Generated
2026-06-16
AI Q&A
2026-04-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-12664
EUVD
EUVD-2025-209365
Affected Vendors & Products
Showing 6 associated CPEs
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
CWE Icon
KEV
KEV Icon
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 Quick Actions
Instant insights powered by AI
Executive Summary

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.

Impact Analysis

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.

Mitigation Strategies

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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-12664. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart