CVE-2026-24423
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
CVSS
—
Sin CVSS
EPSS
87.7%
p100
KEV
SÍ
5 feb 2026
Exploit Today
80
0-100
Publicado: — · Última mod.: —
Producto
SmarterTools / SmarterMail
Vulnerabilidad
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
Añadido a KEV
5 feb 2026
Remediar antes de
26 feb 2026
Uso conocido en ransomware
Sí
Descripción resumida
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.
Acción requerida
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
https://www.smartertools.com/smartermail/release-notes/current ; https://www.cve.org/CVERecord?id=CVE-2026-24423 ; https://nvd.nist.gov/vuln/detail/CVE-2026-24423