Package evidence

jupyterlab==4.5.8

Js Split Join Obfuscation: Array-of-single-tokens joined to form a string — used to obscure module names like require(["n","o","de",":","cr","yp","to"].join("")), defeating static require() analysis.

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: 594Mature · −50% score
First published: Jun 2016

Effective trust discount applied: −50% (max across signals — discounts don’t stack). New install-lifecycle deltas vs the previous release would clear the discount.

Recommended action

Review before promoting

Mixed signals: the package has indicators worth reading before allowing the update in automated dependency flows.

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":["jupyterlab==4.5.8"],"fail_on":"review"}'

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":["jupyterlab==4.5.8"],"fail_on":"review"}'

Publisherunknown

Artifact bytes23,994,076

Previous versionnone

Published2026-06-04T12:32:12

SHA-256af54d7242cc689a1e6c3ad213cc9b6d9781787d9ec67c52ec9a8f4707088cadd

Why flagged

What the scanner saw

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

Availability ledger

available

review

9d agoLast checked

reviewRisk

12Score

4.5.8Version

Status history (1 event)

new → available9d ago · risk review · score 12 · status changed

Evidence

Static findings

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

Severity	Kind	Path	Detail	Points
high	Js Split Join Obfuscation	jupyterlab-4.5.8/jupyterlab/static/2353.ab70488f07a7c0a7a3fd.js	Array-of-single-tokens joined to form a string — used to obscure module names like require(["n","o","de",":","cr","yp","to"].join("")), defeating static require() analysis.	40

Show all 7 findings (low-signal and informational)

Severity	Kind	Path	Detail	Points
high	Js Split Join Obfuscation	jupyterlab-4.5.8/jupyterlab/static/2353.ab70488f07a7c0a7a3fd.js	Array-of-single-tokens joined to form a string — used to obscure module names like require(["n","o","de",":","cr","yp","to"].join("")), defeating static require() analysis.	40
low	Obfuscation Density	jupyterlab-4.5.8/jupyterlab/static/1219.b5630aa3a46050fddc27.js	high encoded/escaped-token density	0
low	Obfuscation Density	jupyterlab-4.5.8/jupyterlab/static/2434.081e28b7a2a5615efc76.js	high encoded/escaped-token density	0
low	Obfuscation Density	jupyterlab-4.5.8/jupyterlab/static/6993.c93f5a810fcf441cbb6f.js	high encoded/escaped-token density	0
low	Obfuscation Density	jupyterlab-4.5.8/jupyterlab/static/7863.3e0f7ab3a7b98d204ab1.js	high encoded/escaped-token density	0
low	Obfuscation Density	jupyterlab-4.5.8/jupyterlab/static/9892.6d289e7baed8c64d88e2.js	high encoded/escaped-token density	0
low	Sdist Has Setup Py	manifest	Source distribution executes setup.py at install time.	0