CVEvulnerability
CVE-2026-62643
10.0 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-14
- Last modified
- 2026-10-24
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- CWE-918
Description
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.
Affected configurations
• roundcube webmail (>= 1.6.0 < 1.6.17)
• roundcube webmail (>= 1.7.0 < 1.7.2)
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786 Patch
- https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1c Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 Release Notes
- https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 Vendor Advisory