Vulnerability record · CVE-2026-4879 · published 12 August 2026

CVE-2026-4879: Gitlab missing authorization vulnerability

Gitlab · Gitlab

GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.

4.3 CVSS 3.1 Medium EPSS 0.33% · top 76.3% CWE-862 · Missing authorization

4.3CVSS 3.1 base score

0.33%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

19 Aug 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/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.

Gitlab Gitlab

References

Link	Tags
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/	Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/594839	Broken Link
https://hackerone.com/reports/3622861	Permissions Required

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2026-4879), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.