CVE-2025-14869

Improper Validation of Specified Quantity in Input in GitLab

CVSS 7.5 HIGHEPSS 0.4%CWE-1284

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted payloads on certain API endpoints.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

GitLab · GitLab

public PoCs found — 1

cve_referencehackerone.com/reports/3447146unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/584489 https://hackerone.com/reports/3447146