SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability - CVE-2026-24423
Affected Systems:
SmarterTools SmarterMail
Executive Summary
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 Score: 9.0/10.0
Severity: CRITICAL
Affected Systems
- SmarterTools SmarterMail
Detection & Mitigation
- Apply vendor patches as soon as available
- Monitor for indicators of compromise
- Review vendor advisories for specific guidance