roundcube: Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS...
CVE-2026-48843 is fixed in roundcube on 1 platform, first by DEBIAN-CVE-2026-48843, released June 24, 2026. It is not reported as exploited. Patch Radar priority: High.
Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has 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. The issue stems from an insufficient fix for CVE-2026-35540.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| roundcube · Debian 12.15 (bookworm) | 1.6.5+dfsg-1+deb12u9 | DEBIAN-CVE-2026-48843 | Jun 24, 2026 |
| roundcube · Debian 13.5 (trixie) | 1.6.16+dfsg-0+deb13u1 | DEBIAN-CVE-2026-48843 | Jun 24, 2026 |
| roundcube · Debian 14 | 1.6.16+dfsg-1 | DEBIAN-CVE-2026-48843 | Jun 24, 2026 |
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