PkgRadar

Package evidence

@jetbrains/[email protected]

Js Hidden Powershell: Hidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm | iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers.

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
27
First published
Mar 2026
Publisher
jetbrains-buildserver

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 tarballAdd 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":["@jetbrains/[email protected]"],"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":["@jetbrains/[email protected]"],"fail_on":"high"}'
Publisherjetbrains-buildserver
Artifact bytes5,617
Previous version1755.50.0
Published2026-06-01T13:25:42.451Z
SHA-25632607f677a8468134488339e88a85ccaef26f17e0beafef44c207e8cae3127fa

Why flagged

What the scanner saw

Js Hidden Powershell: Hidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm | iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers.

1 candidate cluster(s) currently reference this release.

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

Availability ledger

available

high
Last checked
highRisk
50Score
1831.31.0Version
Status history (1 event)
  1. new → available · risk high · score 50 · status changed

Related candidates

Linked campaigns and clusters

Repeated static TTPactive

Js Hidden Powershell — hidden / non-interactive powershell invocation in package code — `-windowstyle hidden`, `irm | iex`, `windowshide: true`, or equivalent — used to download-and-run payloads on windows installers.

194 members · evidence strength 90
Repeated static TTPcandidate

Js Hidden Powershell — hidden / non-interactive powershell invocation in package code — `-windowstyle hidden`, `irm | iex`, `windowshide: true`, or equivalent — used to download-and-run payloads on windows installers.

194 members · max score 186

Evidence

Static findings

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

SeverityKindPathDetailPoints
highJs Hidden Powershellpackage/postinstall.jsHidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm | iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers.45
Show all 2 findings (low-signal and informational)
SeverityKindPathDetailPoints
highJs Hidden Powershellpackage/postinstall.jsHidden / non-interactive PowerShell invocation in package code — `-WindowStyle Hidden`, `irm | iex`, `windowsHide: true`, or equivalent — used to download-and-run payloads on Windows installers.45
lowInstall-time lifecycle scriptpackage.jsonpostinstall="node postinstall.js"5

Manifest

Package metadata

Scripts1
  • postinstallnode postinstall.js
Dependencies1
  • yauzl^3.2.0