CVE-2026-35540

Medium CVSS: 5.4

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.

Vendor

Product

CWE

CWE-669

Yayın Tarihi

2026-04-03 05:16:22

Güncelleme

2026-04-03 16:10:23

Source Identifier

cve@mitre.org

KEV Date Added

Kategoriler

CWE-669 MEDIUM 2026

Referanslar

https://github.com/roundcube/roundcubemail/commit/27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870 https://github.com/roundcube/roundcubemail/commit/579b68eff90650a5c782e153debd66c765648942 https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14