coldbraid

CVE-2026-24423 SmarterTools SmarterMail

SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command execution.

CVSS
not scored

CWE-306

On CISA’s exploited list

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability

Added
2026-02-05
Federal patch deadline
2026-02-26
Ransomware use
known