Risk Letters

Exploited vulnerability

CVE-2026-76461

TLP:CLEAR

Cisco Secure Email Gateway SQL Injection Vulnerability

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.

Facts

  • Vendor: Cisco
  • Product: Secure Email Gateway
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 29.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 14 September 2026
  • First known exploitation: 14 September 2026
  • CISA's deadline for US federal agencies: 17 September 2026
  • Weakness: CWE-89
  • First seen by Risk Letters: 14 September 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD