Package evidence

@storybook/[email protected]

Js Decode Then Exec: base64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader 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.

Weekly downloads: 10,278,760Ubiquitous · −70% score
Versions published: 2,181Mature · −50% score
First published: Mar 2022
Publisher: GitHub ActionsTrusted automation · −70% score

Effective trust discount applied: −70% (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":["@storybook/[email protected]"],"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":["@storybook/[email protected]"],"fail_on":"review"}'

PublisherGitHub Actions

Artifact bytes39,750

Previous version0.0.0-pr-34837-sha-9c4ac020

Published2026-05-29T06:24:41.984Z

SHA-256e6261c2686c7ac356996867a67533ee643e6dfd9326772ac5a3c88ef57702ccf

Why flagged

What the scanner saw

Js Decode Then Exec: base64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader pattern.

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

Availability ledger

available

review

15d agoLast checked

reviewRisk

13Score

0.0.0-pr-34837-sha-ef2a6413Version

Status history (1 event)

new → available15d ago · risk review · score 13 · status changed

Evidence

Static findings

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

Severity	Kind	Path	Detail	Points
high	Js Decode Then Exec	package/dist/index.js	base64 / atob / fromCharCode decode paired with eval / new Function in the same file — canonical obfuscated-loader pattern.	45

Manifest

Package metadata

Dependencies2

@storybook/csf-plugin0.0.0-pr-34837-sha-ef2a6413
ts-dedent^2.0.0