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CVE-2026-8280

Allocation of Resources Without Limits or Throttling in GitLab

CVSS 6.5 MEDIUMEPSS 0.3%CWE-770
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to cause denial of service through excessive memory consumption due to improper input validation.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
GitLab · GitLab
public PoCs found — 1
cve_referencehackerone.com/reports/3329085unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/579035https://hackerone.com/reports/3329085