PT-2026-40881 · Gitlab · Gitlab

Published 2026-05-14 · Updated 2026-05-14 · CVE-2026-8280

Mitre

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2026-8280

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3329085 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8280 · Security Note
• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released · Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/579035 · Note