CVE-2026-76461
Cisco Secure Email Gateway SQL Injection Vulnerability
Description
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.
Weakness: CWE-89
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Email Gateway | Email Security | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Secure Email
Vendor advisory
Cisco Secure Email Gateway SQL Injection Vulnerability
Cisco’s rating: Critical (advisory CVSS 9.8) · Published Sep 14, 2026 · updated Sep 17, 2026 (revision 1.1)
Bug ID: CSCwu56234
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from