CVE-2026-20056 Cisco Secure Web Appliance TBD Bypass Vulnerability

A vulnerability in the Dynamic Vectoring and Streaming DVS Engine implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass the anti-malware scanner, allowing malicious archive files to be downloaded. This vulnerability is du...

PT-2026-6079

Name of the Vulnerable Software and Affected Versions Cisco AsyncOS Software for Cisco Secure Web Appliance affected versions not specified Description A flaw in the Dynamic Vectoring and Streaming DVS Engine implementation may allow a remote, unauthenticated attacker to circumvent the anti-malwa...

CVE-2026-20056: Download of Code Without Integrity Check

A vulnerability in the Dynamic Vectoring and Streaming DVS Engine implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass the anti-malware scanner, allowing malicious archive files to be downloaded. This vulnerability is du...