Security Advisories
CVEs affecting projects tracked on Release Alert, from NVD & OSV.
CVE-2026-35540
5.4
MEDIUMCVSS v3
Published
April 3, 2026
Affected
1 project
Assigned by
MITRE
Severity scale
010
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.
GitHub