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Description

An issue has been discovered in GitLab CE/EE affecting all versions from 15.0 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed an authenticated user to stall background job processing by sending specially crafted commit messages, merge request descriptions, or notes.

PUBLISHED Reserved 2025-02-12 | 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

15.0 (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/519335 (GitLab Issue #519335) issue-tracking permissions-required

hackerone.com/reports/2903896 (HackerOne Bug Bounty Report #2903896) technical-description exploit permissions-required

cve.org (CVE-2025-1250)

nvd.nist.gov (CVE-2025-1250)

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