
Scans systems for CVE-2026-31431 (CopyFile vulnerability), enumerates system details, evaluates exposure, reports vulnerable status, and optionally applies secure updates based on distribution.
CopyFail-Scanner is a tool that identifies the CopyFile vulnerability (CVE-2026-31431).
⚠️ Important technical note
There is no single "exact vulnerable kernel" universal, because:
Each distro backports patches The version number does not always reflect real vulnerability
That is why the tool uses:
version-based heuristics