CVE Watch4 de ago. de 2026

CVE-2026-23760

SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability

CVSS

9.8

Crítica

EPSS

96.4%

p100

KEV

SIM

26 de jan. de 2026

Exploit Today

0-100

Publicado: 22 de jan. de 2026 · Última mod.: 4 de ago. de 2026 · CWE-288

EPSS · 30d

96.4%EPSS · 30 dias96.5%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

SmarterTools / SmarterMail

Vulnerabilidade

SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability

Adicionado ao KEV

26 de jan. de 2026

Corrigir até

16 de fev. de 2026

Uso conhecido em ransomware

Sim

Descrição resumida

SmarterTools SmarterMail contains an authentication bypass using an alternate path or channel vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. This could allow an unauthenticated attacker to supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance.

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://nvd.nist.gov/vuln/detail/CVE-2026-23760

Descrição técnica

SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. An unauthenticated attacker can supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance. NOTE: SmarterMail system administrator privileges grant the ability to execute operating system commands via built-in management functionality, effectively providing administrative (SYSTEM or root) access on the underlying host.

Referências oficiais

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