Name: CVE-2026-26079: Inclusion of Functionality from Untrusted Control Sphere
Creator: Rapid7
Published: 2026-02-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-26079, CVSS 4.7, EPSS 0.00589

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.

CVSS Details

CVSS 3.1 Base Score: 4.7
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade roundcube	Feb 18, 2026	Feb 18, 2026
Ubuntu	—	Upgrade roundcube-core (Ubuntu Pro)Upgrade roundcube-plugins (Ubuntu Pro)	Apr 29, 2026	Feb 11, 2026

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CVSS Details

Covered by Rapid7

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