GCVE-110-OSM-2026-14758

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published November 9, 2026

Malicious package detected. Behaviors: data exfiltration, network activity, install-time execution. ENTRY beacon.js (install-hook: node beacon.js) - Install Hook Executes Local JS File in package.json - Postinstall Script in package.json DESTINATION - 2 exfil (custom-c2) (values recorded in verified_iocs) EXFIL - Data Encoding for Exfiltration in beacon.js: "encodeURIComponent(os.hostname())+'&user='+encodeURIComponent((os.userInfo()||{}..." - System Information Collection in beacon.js: "os.userInfo()" - Suspicious Domain in beacon.js: "http://100.24.177.136" ADDITIONAL FINDINGS - Very New NPM Publisher Account - Publisher Has Other Malicious Packages - Rapid Version Publishing PAYLOAD FILES beacon.js

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	react-bootstrap-table2-toolkit-bg	all (affected)	—

References

Malicious npm package: react-bootstrap-table2-toolkit-bg

advisory

vendor

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