GCVE-110-OSM-2026-2757

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 19, 2026

Malicious package detected. Behaviors: data exfiltration, install-time execution. Key findings: - Webhook Data Exfiltration in package.json: "api.telegram.org/bot8236864682:AAFO8n3ml54y_JQnAA2_wxD5j01eooMwC8w/sendMessage" - Data Encoding for Exfiltration in package.json: "encodeURIComponent('🚨 *BEAST HIT: LGCOOK* 🚨\\n'+JSON.stringify(data,null,2)); ..." - Very New NPM Publisher Account IOCs: - telegramApi: api.telegram.org/bot8236864682:AAFO8n3ml54y_JQnAA2_wxD5j01eooMwC8w/sendMessage?chat_id=8655055695&text=

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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	lgcook	all (affected)	—

References

Malicious npm package: lgcook

advisory

vendor

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