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Vulnerability record · CVE-2026-84284 · published 13 October 2026

CVE-2026-84284: Gitlab incorrect authorization vulnerability

Gitlab · Gitlab

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.

5.3 CVSS 3.1 Medium EPSS 0.26% · top 81.7% CWE-863 · Incorrect authorization
5.3CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
22 Oct 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/627167 Issue Tracking
https://hackerone.com/reports/3551698 Permissions Required

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-84284), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.