CISA Known Exploited Vulnerability

CVE-2026-24423 Ransomware

SmarterTools · SmarterMail

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability

Date added
BOD 22-01 due date
CWE CWE-306
Ransomware Known

CISA description

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.

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.