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CVE-2026-35540

MEDIUM CVSS: 5.4 Published: 2026-04-03 Modified: 2026-07-24

Description

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. 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.

Affected Platforms

Roundcube Webmail

Weakness Type

CWE-669

References