Zio has SubFileSystem Path Confinement Bypass via Unresolved `..` Segment

Summary SubFileSystem fails to confine operations to its declared sub path when the input path is /../ or equivalents /../, /..\. This path passes all validation but resolves to the root of the parent filesystem, allowing directory level operations outside the intended boundary. Affected Componen...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the SubFileSystem method. An attacker can access directories outside the intended confinement by supplying specially crafted paths containing unresolved .. segments. This is only exploitable if the input path is...

PT-2026-35622

Summary SubFileSystem fails to confine operations to its declared sub path when the input path is /../ or equivalents /../, /... This path passes all validation but resolves to the root of the parent filesystem, allowing directory level operations outside the intended boundary. Affected Component...