What’s Vulnerable › Vulnerabilities

CVE-2025-12562: Allocation of Resources Without Limits or Throttling in GitLab

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-11 · updated 2026-10-14
• Weakness: CWE-770

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.

Affected products

• GitLab: from 11.10.0 before 18.4.6; from 18.5.0 before 18.5.4; from 18.6.0 before 18.6.2 — fixed in 18.4.6, 18.5.4, 18.6.2

How to fix

Upgrade to a fixed version: GitLab 18.4.6, 18.5.4, 18.6.2. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/issues/579152
• https://hackerone.com/reports/3360710

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