CVE-2025-12562
highpriority · track · 0EPSS 0.009 · 58 %ileDEEUNLRUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0390Kwetsbaarheden verholpen in GitLab CE/EENL2025-12-11csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in GitLab CE/EE.
- WID-SEC-W-2025-2822GitLab: Mehrere SchwachstellenDeutsch2025-12-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um Informationen offenzulegen.
- BIT-gitlab-2025-12562Allocation of Resources Without Limits or Throttling in GitLab2025-12-18vendor · osvUS
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/cnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/579152cnnvd
- https://hackerone.com/reports/3360710cnnvd
- https://vigilance.fr/vulnerability/GitLab-CE-EE-multiple-vulnerabilities-dated-10-12-2025-49064cnnvd
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/enisa_euvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/579152enisa_euvd
- https://hackerone.com/reports/3360710enisa_euvd
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/Release NotesVendor Advisorynvd
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