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Description

GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.

PUBLISHED Reserved 2026-01-23 | Published 2026-02-11 | Updated 2026-02-11 | 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

15.6 (semver) before 18.6.6
affected

18.7 (semver) before 18.7.4
affected

18.8 (semver) before 18.8.4
affected

Credits

Thanks [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/issues/587546 (GitLab Issue #587546) issue-tracking permissions-required

hackerone.com/reports/3515994 (HackerOne Bug Bounty Report #3515994) technical-description exploit permissions-required

about.gitlab.com/...10/patch-release-gitlab-18-8-4-released/

cve.org (CVE-2026-1387)

nvd.nist.gov (CVE-2026-1387)

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