Name: CVE-2026-89078: Double Free
Creator: Rapid7
Published: 2026-09-24T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-89078, CWE-415, CVSS 9.9, EPSS 0.00522

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.

CVSS Details

CVSS 3.1 Base Score: 9.9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade ruby	Oct 28, 2026	Sep 23, 2026
Freebsd	—	Upgrade gitlab-ceUpgrade gitlab-ee	Sep 25, 2026	Sep 24, 2026
Gitlab Gitlab	—	Upgrade Gitlab to the latest version	Sep 25, 2026	Sep 23, 2026
Redhat_linux	—	No solution exists	Oct 28, 2026	Sep 23, 2026

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CVSS Details

Covered by Rapid7

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