Package evidence

metalearning-class==0.1.9

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

Trust signals

Why this verdict

PkgRadar discounts a release’s score when public reputation argues against novel malware. The verdict above already reflects these — the panel just explains what was applied.

Versions published: 10
First published: Jan 2026
Publisher: Gabriel Alves Castro, João Bizzo Brandt, Lucca Huguet

Recommended action

Block this update

Static evidence trips multiple high-signal indicators. Quarantine the release until the publisher validates the change or you can rule out the indicators below.

Inspect tarball Add to CI gate

Block this release in CIcurl · GitHub Actions

Fail the build when this package version is added or upgraded. Replace $PKGRADAR_TOKEN with a Pro / Team API key from your dashboard.

curl -fsS https://pkgradar.com/gate/npm \
  -H "Authorization: Bearer $PKGRADAR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"specs":["metalearning-class==0.1.9"],"fail_on":"high"}'

GitHub Actions step:

- name: PkgRadar gate
  run: |
    curl -fsS https://pkgradar.com/gate/npm \
      -H "Authorization: Bearer ${{ secrets.PKGRADAR_TOKEN }}" \
      -H "Content-Type: application/json" \
      -d '{"specs":["metalearning-class==0.1.9"],"fail_on":"high"}'

PublisherGabriel Alves Castro, João Bizzo Brandt, Lucca Huguet

Artifact bytes34,489

Previous versionnone

Published2026-06-04T14:22:17

SHA-256f2cedea859d6e2ab6a46b7eee1bd3661f370ebc7e45910bfe62df5d64ecf577a

Why flagged

What the scanner saw

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

Not observed: package install, lifecycle script execution, or sandbox execution. PkgRadar only inspects on-disk artifacts.

Availability ledger

available

high

10h agoLast checked

highRisk

30Score

0.1.9Version

Status history (1 event)

new → available10h ago · risk high · score 30 · status changed

Evidence

Static findings

1 static · 0 from release diff · showing high-signal first.

Severity	Kind	Path	Detail	Points
high	Py Runtime Base64 Decode	metalearning_class-0.1.9/src/metalearning_class/model/mtl_class.py	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern.	30