Description
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
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 < 1.6.18affected1.7.0 to < 1.7.3affected
References
- https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 ↗
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 ↗
- https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea ↗
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 ↗
- https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad ↗