CVE-2026-76461
Cisco Secure Email Gateway SQL Injection Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-09-14. Federal due date: 2026-09-17.
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Cisco Secure Email | Versions 13.5.1-277, 13.0.5-007, 15.0.1-030, 15.5.0-048, 14.0.0-698, 13.0.0-392 |
| Cisco | Asyncos | before 15.5.5-014 from 16.0 before 16.0.4-302 from 16.5 before 16.5.0-780 |