Sophos Web Appliance Command Injection Vulnerability

Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.

Published 3 Oct 2026Updated 3 Oct 2026295 sources
CVSS 9.8 ✓ VERIFIED REFERENCE△ CISA KEV

What happened

Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.

Affected versions

Web Appliance: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references