CVE-2026-84284: gitlab gitlab

CVSS 5.3 (medium) · published 2026-10-13

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 19.2.8, 19.3 before 19.3.6, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.

Affected products (NVD): gitlab gitlab

Fixed in (NVD): 19.2.8, 19.4.2

Weakness: CWE-863

Source: NVD CVE-2026-84284

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/627167
• https://hackerone.com/reports/3551698

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