CVE-2026-62643
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.2%
exploitation probability
0.2%top 84% of all CVEs
observed exploitation
nono source reports it
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, 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. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
Roundcube · WebmailReferences
https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1chttps://github.com/roundcube/roundcubemail/releases/tag/1.6.17https://github.com/roundcube/roundcubemail/releases/tag/1.7.2https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2