- Vendor / Project
- Roundcube
- Product
- Webmail
- Date added
- Feb 20, 2026
- Due date
- Mar 13, 2026
- Known ransomware use
- Unknown
- CWEs
- CWE-502
Description
RoundCube Webmail contains a deserialization of untrusted data vulnerability that allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.