Medium severity5.8NVD Advisory· Published Aug 17, 2026· Updated Aug 17, 2026
CVE-2026-75006
CVE-2026-75006
Description
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, 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. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.
Affected products
1- Range: <1.6.18, <1.7.3
Patches
Vulnerability mechanics
References
7- github.com/roundcube/roundcubemail/commit/7e10ca0110b7c9aa1b7850b843bb6625e47bbe00nvd
- github.com/roundcube/roundcubemail/commit/8a92380b06b5df1481e034c4f40d6a6546c21223nvd
- github.com/roundcube/roundcubemail/commit/92f85c883594e5be757154f94548a9ba903455c9nvd
- github.com/roundcube/roundcubemail/commit/c111b72950cd2bf57d6b86cd129568d90403322dnvd
- github.com/roundcube/roundcubemail/releases/tag/1.6.18nvd
- github.com/roundcube/roundcubemail/releases/tag/1.7.3nvd
- roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3nvd
News mentions
0No linked articles in our index yet.