CVE-2026-113386 [HIGH] – Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command inject

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.