roundcube: Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS)
CVE-2026-54432 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-54432, released July 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| roundcube · Debian 12.15 (bookworm) | 1.6.5+dfsg-1+deb12u10 | DEBIAN-CVE-2026-54432 | Jul 8, 2026 |
| roundcube · Debian 13.5 (trixie) | 1.6.17+dfsg-0+deb13u1 | DEBIAN-CVE-2026-54432 | Jul 8, 2026 |
| roundcube · Debian 14 | 1.6.17+dfsg-1 | DEBIAN-CVE-2026-54432 | Jul 8, 2026 |
| roundcubemail · opensuse-leap 16.0 | 1.6.20-bp160.1.1 | OPENSUSE-SU-2026:22195-1 | Nov 7, 2026 |
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