CVE-2026-76461Cisco Secure Email Gateway SQL Injection Vulnerability

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.

9.8 CRITICALEPSS 40.16%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-09-18 12:10 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1cisco (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Sep 17, 2026

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.

Details

CVE ID: CVE-2026-76461
Status: Analyzed
Assigner (CNA): cisco
Published: Sep 14, 2026
Last modified: 2026-09-18 12:10 UTC
Weaknesses: CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:08 UTC.