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npcsh

Py Runtime Base64 Decode: base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern.

Why PkgRadar flagged 1.2.20

Severity	Signal	Evidence
high	Py Runtime Base64 Decode	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern. · npcsh-1.2.20/npcsh/_state.py

Scanned versions

Version	Verdict	Score	Scanned (UTC)
`1.2.20`	High risk	15	2026-06-12
`1.2.19`	High risk	15	2026-06-04
`1.2.18`	High risk	15	2026-06-03
`1.2.17`	High risk	15	2026-06-03

Block this in CI

PkgRadar gates npcsh (and every other dependency) before it merges. One line in your pipeline:

pkgradar gate --ecosystem pypi npcsh==1.2.20