CVE-2026-75006

CVE-2026-75006CVE-2026-75006

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.

Scoring

CVSS 5.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Last modified2026-08-17
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.