CVE-2026-113386
published 2026-10-20CVE-2026-113386: 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…
PriorityP349high7.1CVSS 3.1
AVNACLPRLUINSUCLIHAN
EPSS
0.97%
61.6th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| roundcube | webmail | >= 1.6.0 < 1.6.20 | 1.6.20 |
| roundcube | webmail | >= 1.7.0 < 1.7.5 | 1.7.5 |
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Bugzilla
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter
bugzilla·2026-10-20·CVSS 7.1
CVE-2026-113386 [HIGH] CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter
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.
Bugzilla
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [fedora-all]
bugzilla·2026-10-20·CVSS 7.1
CVE-2026-113386 [HIGH] CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [fedora-all]
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [epel-10]
bugzilla·2026-10-20·CVSS 7.1
CVE-2026-113386 [HIGH] CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [epel-10]
CVE-2026-113386 roundcubemail: roundcubemail: Arbitrary IMAP command execution via CRLF injection in the _uid parameter [epel-10]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
https://bugs.debian.org/1151279https://github.com/roundcube/roundcubemail/commit/004adaaeca4f6799715a54d12e3f657f19efcc9ahttps://github.com/roundcube/roundcubemail/commit/bf5bc0266a8cd16be6b640409e64a6c6c2705049https://github.com/roundcube/roundcubemail/commit/f62879defc0330ae240c72b83b2d00a8ab337447https://github.com/roundcube/roundcubemail/releases/tag/1.6.20https://github.com/roundcube/roundcubemail/releases/tag/1.7.5https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5
2026-10-20
Published