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Description

An issue has been discovered in GitLab CE/EE affecting all versions from 7.8 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed an authenticated user with Developer-level access to cause a persistent denial of service affecting all users on a GitLab instance by uploading large files.

PUBLISHED Reserved 2025-07-07 | Published 2025-09-12 | Updated 2025-09-12 | 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

7.8 (semver) before 18.1.6
affected

18.2 (semver) before 18.2.6
affected

18.3 (semver) before 18.3.2
affected

Credits

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

References

about.gitlab.com/...10/patch-release-gitlab-18-3-2-released/

gitlab.com/gitlab-org/gitlab/-/issues/554062 (GitLab Issue #554062) issue-tracking permissions-required

hackerone.com/reports/3161756 (HackerOne Bug Bounty Report #3161756) technical-description exploit permissions-required

cve.org (CVE-2025-7337)

nvd.nist.gov (CVE-2025-7337)

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