Package evidence

chimera-run==0.8.0

Python Bun Js Exec: Python file references the Bun JavaScript runtime — cross-language execution

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: 2
First published: May 2026
Publisher: Chimera Contributors

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":["chimera-run==0.8.0"],"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":["chimera-run==0.8.0"],"fail_on":"high"}'

PublisherChimera Contributors

Artifact bytes4,257,915

Previous versionnone

Published2026-06-13T01:47:05

SHA-2568a532ad7679387e045d7fd7f90dac0eb23d174f762885da2716d8426d3fc9361

Why flagged

What the scanner saw

Python Bun Js Exec: Python file references the Bun JavaScript runtime — cross-language execution

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

Availability ledger

available

high

4d agoLast checked

highRisk

85Score

0.8.0Version

Status history (1 event)

new → available4d ago · risk high · score 85 · status changed

Evidence

Static findings

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

Severity	Kind	Path	Detail	Points
high	Python Bun Js Exec	chimera_run-0.8.0/chimera/ferret/sandbox.py	Python file references the Bun JavaScript runtime — cross-language execution	40
high	Py Runtime Base64 Decode	chimera_run-0.8.0/chimera/sessions/share.py	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern.	30

Show all 5 findings (low-signal and informational)

Severity	Kind	Path	Detail	Points
high	Python Bun Js Exec	chimera_run-0.8.0/chimera/ferret/sandbox.py	Python file references the Bun JavaScript runtime — cross-language execution	40
high	Py Runtime Base64 Decode	chimera_run-0.8.0/chimera/sessions/share.py	base64/hex decode combined with exec/subprocess — classic obfuscated payload pattern.	30
low	Credential file access	chimera_run-0.8.0/chimera/mink/cli.py	matched ".ssh/"	5
low	Credential file access	chimera_run-0.8.0/chimera/permissions/risk.py	matched ".ssh/"	5
low	Credential file access	chimera_run-0.8.0/chimera/secrets/detector.py	matched "aws_secret_access_key"	5