CVE-2026-76461

Critica9.8Pubblicata il 14 settembre 2026

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.

Sfruttata attivamente

  • Nel catalogo CISA delle vulnerabilità sfruttate dal 14 set 2026
  • Le agenzie federali statunitensi devono correggerla entro il 17 set 2026 (direttiva BOD 22-01)
  • Attaccata 1 giorno prima che la vulnerabilità fosse resa pubblica

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.

Fonte: CISA KEV · 14 set 2026 14 set 2026

Punteggio CVSS9.8 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Tipo di debolezza (CWE)CWE-89
Vendorcisco

Prodotti coinvolti

VendorProdottoVersioni
ciscoasyncos< 15.5.5-014
ciscosecure email gateway virtual appliance c100v-
ciscosecure email gateway virtual appliance c300v-
ciscosecure email gateway virtual appliance c600v-
ciscosecure email gateway c195-
ciscosecure email gateway c395-
ciscosecure email gateway c695-

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This product uses the NVD API but is not endorsed or certified by the NVD.

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