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Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.2 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 due to insufficient resource allocation limits when retrieving notes under certain conditions.

PUBLISHED Reserved 2025-06-11 | 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

9.2 (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/3160363 (HackerOne Bug Bounty Report #3160363) technical-description exploit permissions-required

gitlab.com/gitlab-org/gitlab/-/work_items/548940

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

cve.org (CVE-2025-6016)

nvd.nist.gov (CVE-2025-6016)

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