CVE-2026-62643
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | roundcube |
| Product | webmail |
| Published | Jul 14, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Roundcube / Webmail
1.6.0 < 1.6.17 1.7.0 < 1.7.2
References
roundcube.net: https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 github.com: https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1c github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 github.com: https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786