Description
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource actions to execute arbitrary IMAP commands.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Roundcube Webmail
Default version status: unaffected
1.6.0 to < 1.6.20affected1.7.0 to < 1.7.5affected
References
- https://bugs.debian.org/1151279 ↗
- https://github.com/roundcube/roundcubemail/commit/004adaaeca4f6799715a54d12e3f657f19efcc9a ↗
- https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 ↗
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.5 ↗
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.20 ↗
- https://github.com/roundcube/roundcubemail/commit/f62879defc0330ae240c72b83b2d00a8ab337447 ↗
- https://github.com/roundcube/roundcubemail/commit/bf5bc0266a8cd16be6b640409e64a6c6c2705049 ↗