CVE-2026-35541: Roundcube Webmail

Medium severity, CVSS 4.2. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.

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.