CVE Watch4 de ago. de 2026

CVE-2026-24423

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability

CVSS

9.8

Crítica

EPSS

88.2%

p100

KEV

SIM

5 de fev. de 2026

Exploit Today

0-100

Publicado: 23 de jan. de 2026 · Última mod.: 4 de ago. de 2026 · CWE-306

EPSS · 30d

88.2%EPSS · 30 dias88.2%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

SmarterTools / SmarterMail

Vulnerabilidade

SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability

Adicionado ao KEV

5 de fev. de 2026

Corrigir até

26 de fev. de 2026

Uso conhecido em ransomware

Sim

Descrição 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.

Ação necessária

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

Descrição técnica

SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.

Referências oficiais

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