Package evidence

mcp-stealth-chrome==0.4.12

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: 36
First published: Apr 2026
Publisher: RobithYusuf

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":["mcp-stealth-chrome==0.4.12"],"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":["mcp-stealth-chrome==0.4.12"],"fail_on":"high"}'

PublisherRobithYusuf

Artifact bytes113,487

Previous versionnone

Published2026-06-08T19:53:13

SHA-2566b385c8ae656087c36c3478fcabb355e5ee9779bd39034a1ca47a467dfe447c9

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

7h agoLast checked

highRisk

45Score

0.4.12Version

Status history (1 event)

new → available7h ago · risk high · score 45 · status changed

Evidence

Static findings

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

Severity	Kind	Path	Detail	Points
high	Py Runtime Base64 Decode	mcp_stealth_chrome-0.4.12/src/mcp_stealth_chrome/server.py	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern.	30
medium	Py Custom Build Backend	pyproject.toml	Non-standard PEP 517 build-backend `uv_build` — runs custom code at install time.	15