Exploited vulnerability CISA KEV
CVE-2026-76461: Cisco Secure Email Gateway SQL Injection Vulnerability
CVE-2026-76461 is a vulnerability in Cisco Secure Email Gateway that CISA added to its Known Exploited Vulnerabilities catalog on September 14, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 17, 2026.
CVE-2026-76461 is a vulnerability in Cisco Secure Email Gateway that CISA added to its Known Exploited Vulnerabilities catalog on September 14, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 17, 2026.
- CVE ID
- CVE-2026-76461
- Vendor / project
- Cisco
- Product
- Secure Email Gateway
- Added to KEV
- Due date
- Days to remediate
- 3
- Known ransomware use
- Unknown
- Weakness
- CWE-89
CISA description #
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.
Required action #
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.
Notes and references #
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
This page reproduces CISA’s catalog entry and is not indexed by search engines until an editor adds analysis. [Editorial analysis pending]