CVE-2026-24423

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
88.2%
EPSS
100%
Percentile
Yes
Known exploited
0
APAC news · 90d
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.

Vendor
SmarterTools
Product
SmarterMail
Added to KEV
Feb 5, 2026
Remediation due
Feb 26, 2026 (US federal deadline)
Ransomware use
Known
Weakness
CWE-306
EPSS
88.2% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded