CVE-2026-35537

A flaw was found in Roundcube Webmail. Unauthenticated attackers can exploit an unsafe deserialization vulnerability in the redis/memcache session handler. This allows for arbitrary file write operations by crafting malicious session data. The primary impact is the ability to write files to the...

CVE-2026-35537

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data...

PT-2026-29975

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data...