CVE-2026-35544

Published Apr 3, 2026

Last updated 2 months ago

Overview

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.
Source
cve@mitre.org
NVD status
Analyzed
Products
webmail

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.3
Impact score
1.4
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Severity
MEDIUM

Weaknesses

cve@mitre.org
CWE-669

Social media

Hype score
Not currently trending

Configurations