Vulnerability exposure in Cisco Secure Email Gateway

Cisco has identified a vulnerability in Cisco Secure Email Gateway, specifically in the Advanced Malware Protection feature. The vulnerability lies in the way the Advanced Malware Protection feature processes email attachments when the file reputation service is enabled. An unauthenticated extern...

Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability

Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday. The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could the...

EUVD-2026-101420

A vulnerability in the Advanced Malware Protection AMP feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation...

CVE-2026-76519

A vulnerability in the Advanced Malware Protection AMP feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation...