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MAL-2026-10057: Malicious code in chunk-parser (npm)

0
Unknown
Published: 07/09/2026 (07/09/2026, 15:55:10 UTC)
Source: GCVE Database
Product: chunk-parser

Description

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (8ffcc87316488b883c382ff45dd16c0bccb3cba432351f0716f239f81be79017) The package advertises itself as a 'Pure Node.js chunk parser platform' but its shipped code is a full remote-access trojan under internal identifiers 'runtimedev-link'. lib/portable_runtime.js downloads a portable Node.js 22.22.0 runtime from nodejs.org into ~/.local/share/runtimedev-link/runtime/ and uses it to run a bundled agent CLI out-of-band from the developer's system Node. The agent installs cross-platform boot persistence: a Linux systemd --user unit (with cron @reboot and ~/.config/autostart fallbacks), a macOS LaunchAgent plist (Label com.runtimedev.link, RunAtLoad+KeepAlive) at ~/Library/LaunchAgents/com.runtimedev.link.plist, and a hidden Windows Task Scheduler task 'runtimedev-link' driven by a VBS launcher. Once persisted, commandLoop polls an operator-controlled API base (SSTAR_API_BASE / NODE_LINK_API_BASE) at /api/telemetry/poll-command, executes tasked shell commands via child_process, and returns stdout/stderr to /api/telemetry/command-result. download.js handleDownloadRequest zips any operator-named filesystem path (up to 50MB) and uploads it base64-encoded to /api/telemetry/upload-download, giving the operator arbitrary file exfiltration. postTelemetryReport continuously ships hostname, username, OS info, public IP (fetched from api.ipify.org), a walked directory tree of the user's home, and a Chrome/Edge/Brave/Chromium extensions inventory (enumerated from each browser's User Data profile) to /api/telemetry/report. All persistence launchers re-invoke `npx -y runtimedev-link@latest install --token <token>` at every logon/boot, giving the operator a live, unpinned auto-update channel that pulls whatever runtimedev-link@latest becomes on each persisted host.

Affected software

npmghsa
chunk-parser
Affected versions
=1.0.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-10057
Osv Schema Version
1.7.4
Aliases
[]
Ecosystems
["npm"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a50baa968715ace43585512

Added to database: 07/10/2026, 09:26:01 UTC

Last updated: 07/10/2026, 09:26:01 UTC

Views: 1

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