SB20260114127 - Arbitrary file upload in SmarterTools SmarterMail
Published: January 14, 2026 Updated: February 6, 2026
Security Bulletin ID
SB20260114127
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2025-52691)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.
Remediation
Install update from vendor's website.