CVE Watch15 sept 2026

CVE-2026-76461

Cisco Secure Email Gateway SQL Injection Vulnerability

CVSS

9.8

Crítico

EPSS

29.5%

p98

KEV

SÍ

14 sept 2026

Exploit Today

0-100

Publicado: 14 sept 2026 · Última mod.: 15 sept 2026 · CWE-89

EPSS · 30d

28.3%EPSS · 30 días29.5%

2026-10-012026-10-28

Ficha del catálogo KEV

Producto

Cisco / Secure Email Gateway

Vulnerabilidad

Cisco Secure Email Gateway SQL Injection Vulnerability

Añadido a KEV

14 sept 2026

Remediar antes de

17 sept 2026

Uso conocido en ransomware

Descripción resumida

Cisco AsyncOS software for Cisco Secure Email Gateway (SEG) contains a SQL injection vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system.

Acción requerida

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Notas

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76461

Descripción técnica

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system.

Referencias oficiales

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