CVE-2025-12562
High
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted GraphQL queries that bypass query complexity limits.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Gitlab
PublishedDec 11, 2025
First seenDec 11, 2025
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- gitlab gitlab18.4.6, 18.5.4, 18.6.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 11.10.0 ≤ v < 18.4.6, 18.5.0 ≤ v < 18.5.4, 18.6.0 ≤ v < 18.6.2 | 18.4.6, 18.5.4, 18.6.2 |
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