CVE-2026-75002

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 Platforms

Weakness Type

CWE-77

References

• https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df390…
• https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086…
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.18
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.3
• https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3