CVE-2026-35544

CVE-2026-35544CVE-2026-35544

roundcube / webmail

Description

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Last modified2026-07-24
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.