CVE-2026-20056

Cisco AsyncOS for Cisco Secure Web Appliance is affected by a DVS Engine vulnerability (CVE-2026-20056) that can allow an unauthenticated remote attacker to bypass the anti‑malware scanner and cause download of malicious archive files. The issue stems from improper handling of certain archives, e...

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...

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...