GCVE-110-OSM-2026-4846

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published May 28, 2026

Malicious package detected. Behaviors: data exfiltration, code execution. Entrypoint: pino.js (main: pino.js) Exfil: https://www.jsonkeeper.com/b/HY6M6 (custom-c2, recovery: decoded in lib/writer.js) Payload: lib/writer.js Key findings: - Environment Variable Exfiltration in lib/writer.js: "process.env, version: pkg.subModuleVersion, platform: os.platform(), ho..." - Publisher Has Other Malicious Packages - Decoded Hex String Content in lib/writer.js - Dynamic Code Execution in lib/redaction.js: "exec(str)" - System Information Exfiltration in lib/writer.js: "os.platform(), hostname: os.hostname(), username: os.userInfo().username, ..." IOCs: - urls: http://192.168.1.42:9200, https://react-pinojs.com/issues, https://www.jsonkeeper.com/b/HY6M6 - emails: hello@react-pinojs.com - domains: www.jsonkeeper.com - payloadFileHash: b6d314d7ec721484bb7a6d72c9dc580e8b9e9d53ca459480f98a20366b823c7d Decoded/deobfuscated IOCs: - urls: https://www.jsonkeeper.com/b/HY6M6 - domains: www.jsonkeeper.com

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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	react-pinojs	all (affected)	—

References

Malicious npm package: react-pinojs

advisory

vendor

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