Name: CVE-2026-2973: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-03-25T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-2973, CVSS 5.4, EPSS 0.00031

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to execute arbitrary JavaScript in a user's browser due to improper sanitization of entity-encoded content in Mermaid diagrams.

CVSS Details

CVSS 3.1 Base Score: 5.4
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Freebsd	—	Upgrade gitlab-eeUpgrade gitlab-ce	Mar 30, 2026	Mar 29, 2026
Gitlab Gitlab	—	Upgrade Gitlab to the latest version	Mar 27, 2026	Mar 25, 2026

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CVSS Details

Covered by Rapid7

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