#VU121467 Arbitrary file upload in SmarterMail - CVE-2025-52691

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Main Vulnerability Database Vulnerabilities #VU121467

#VU121467 Arbitrary file upload in SmarterMail - CVE-2025-52691

Published: January 14, 2026 / Updated: February 6, 2026


Vulnerability identifier: #VU121467
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-52691
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
SmarterMail
Software vendor:
SmarterTools Inc.

Description

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 updates from vendor's website.

External links