Vulnerability record · CVE-2026-5309 · published 25 June 2026

CVE-2026-5309: Gitlab insecure direct object reference vulnerability

Gitlab · Gitlab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to read or modify another group's virtual registry cleanup policy settings without authorization.

5.4 CVSS 3.1 Medium EPSS 0.29% · top 80.2% CWE-639 · Insecure direct object reference

5.4CVSS 3.1 base score

0.29%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

26 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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-19-1-1-released/	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/595468	Broken Link
https://hackerone.com/reports/3628793	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-2026-5309), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.