CVE-2025-52691
KEV · RansomwareSmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
View CVE record →- Vendor / Project
- SmarterTools
- Product
- SmarterMail
- Date added
- Jan 26, 2026
- Due date
- Feb 16, 2026
- Known ransomware use
- Known
- CWEs
- CWE-434
Description
SmarterTools SmarterMail contains an unrestricted upload of file with dangerous type vulnerability that could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
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.