Vulnerability record · CVE-2026-15423 · published 12 August 2026

CVE-2026-15423: Gitlab incorrect authorization vulnerability

Gitlab · Gitlab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 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 execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

8.5 CVSS 3.1 High EPSS 0.34% · top 75.1% CWE-863 · Incorrect authorization

8.5CVSS 3.1 base score

0.34%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:C/C:L/I:H/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/605705	Broken Link
https://hackerone.com/reports/3832069	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-2026-15423), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.