Package evidence

calfkit-tools==0.1.0

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: 1
First published: Jun 2026
Publisher: calf-ai

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":["calfkit-tools==0.1.0"],"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":["calfkit-tools==0.1.0"],"fail_on":"high"}'

Publishercalf-ai

Artifact bytes504,733

Previous versionnone

Published2026-06-13T01:22:23

SHA-256386c697b6948a1ff70ccf1b590892967917d495f2b87f6d065e85e9716e54576

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

4h agoLast checked

highRisk

45Score

0.1.0Version

Status history (1 event)

new → available4h 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	Python Bun Js Exec	calfkit_tools-0.1.0/src/calfkit_tools/hermes/_vendor/tools/terminal_tool.py	Python file references the Bun JavaScript runtime — cross-language execution	40

Show all 2 findings (low-signal and informational)

Severity	Kind	Path	Detail	Points
high	Python Bun Js Exec	calfkit_tools-0.1.0/src/calfkit_tools/hermes/_vendor/tools/terminal_tool.py	Python file references the Bun JavaScript runtime — cross-language execution	40
low	Credential file access	calfkit_tools-0.1.0/src/calfkit_tools/hermes/_vendor/agent/file_safety.py	matched "id_rsa"	5