GitLab 13.0-18.10.3 GraphQL DoS via repeated queries
CVE-2025-12664 Published on April 8, 2026
Improper Validation of Specified Quantity in Input in GitLab
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.
Vulnerability Analysis
CVE-2025-12664 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Improper Validation of Specified Quantity in Input
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.
Products Associated with CVE-2025-12664
Want to know whenever a new CVE is published for GitLab? stack.watch will email you.
Affected Versions
GitLab:- Version 13.0 and below 18.8.9 is affected.
- Version 18.9 and below 18.9.5 is affected.
- Version 18.10 and below 18.10.3 is affected.