CVE-2026-35538: Roundcube Webmail

Low severity, CVSS 3.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

Affected products

• Roundcube Webmail: before 1.5.14 (fixed in 1.5.14); from 1.6.0, before 1.6.14 (fixed in 1.6.14)

Published 2026-04-03. Last modified 2026-07-24.