PyPI · pypi.org

b2

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

Why PkgRadar flagged 4.7.1

Severity	Signal	Evidence
high	Py Runtime Base64 Decode	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern. · b2-4.7.1/b2/_internal/console_tool.py

Scanned versions

Version	Verdict	Score	Scanned (UTC)
`4.7.1`	High risk	15	2026-06-08

Block this in CI

PkgRadar gates b2 (and every other dependency) before it merges. One line in your pipeline:

pkgradar gate --ecosystem pypi b2==4.7.1