GCVE-110-OSM-2026-8857

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published July 20, 2026

Malicious package detected. Behaviors: data exfiltration, code execution. ENTRY index.js (main: index.js) DESTINATION - reconstructed: https://rest-icon-helper.store/icons/303 (primary, reconstructed) in index.js - custom-c2: rest-icon-helper.store (reconstructed) in index.js EXFIL - System Information Collection in index.js: "process.platform" OBFUSCATION - recovered 1 urls, 1 domains from decoded/deobfuscated content ADDITIONAL FINDINGS - Remote Code Execution in index.js: "eval(JSON.parse(" - Reconstructed Obfuscated URL in index.js: "https://rest-icon-helper.store/icons/303" - Brand New Package PAYLOAD FILES index.js INDICATORS (IOCs) - payloadFileHash: ec515b33a62fedd9de82bddc77b73064251807ec42b3667b4beb477fcafb4119

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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	rollup-plugin-polyfill-helper	all (affected)	—

References

Malicious npm package: rollup-plugin-polyfill-helper

advisory

vendor

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