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Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed an authenticated user to cause denial of service under certain conditions by exhausting server resources by making crafted requests to a discussions endpoint.

PUBLISHED Reserved 2025-01-03 | Published 2026-04-22 | Updated 2026-04-22 | Assigner GitLab




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

Default status
unaffected

10.6 (semver) before 18.9.6
affected

18.10 (semver) before 18.10.4
affected

18.11 (semver) before 18.11.1
affected

Credits

Thanks [pwnie](https://hackerone.com/pwnie) for reporting this vulnerability through our HackerOne bug bounty program finder

References

hackerone.com/reports/2915694 (HackerOne Bug Bounty Report #2915694) technical-description exploit permissions-required

gitlab.com/gitlab-org/gitlab/-/work_items/511312

about.gitlab.com/...2/patch-release-gitlab-18-11-1-released/

cve.org (CVE-2025-0186)

nvd.nist.gov (CVE-2025-0186)

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