PT-2026-29975

CVE-2026-35537

Published

2026-03-18

Updated

2026-05-07

Description by

CVSS 2.0

7.8

High

MetricsAV:N/AC:L/Au:N/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions prior to 1.5.14 and prior to 1.6.14

Description An issue exists in Roundcube Webmail related to unsafe deserialization within the redis/memcache session handler. This could allow unauthenticated attackers to perform arbitrary file write operations by submitting crafted session data.

Recommendations Update Roundcube Webmail to version 1.5.14 or later. Update Roundcube Webmail to version 1.6.14 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Y0Us

Vendors

Affected products

Weakness enumeration

CWE-502: Deserialization of Untrusted Data

Related identifiers