Before unpacking a ZIP into a valuable directory, inspect its member names, symlink attributes, encryption flags and advertised expansion size. A familiar archive extension is not an assurance about where extraction will write.
This product contains a read-only preflight utility, tested traversal and symlink fixtures, and a restrained acceptance checklist for local imports. It does not extract members or run anything from the archive.
Scope: Python 3.12 ZIP metadata. This is an initial rejection filter, not malware analysis, a complete archive validator or a replacement for isolated extraction limits. Verified 18 October 2026. #ZIP #SafeImports
This product contains a read-only preflight utility, tested traversal and symlink fixtures, and a restrained acceptance checklist for local imports. It does not extract members or run anything from the archive.
Scope: Python 3.12 ZIP metadata. This is an initial rejection filter, not malware analysis, a complete archive validator or a replacement for isolated extraction limits. Verified 18 October 2026. #ZIP #SafeImports
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