GCVE-110-OSM-2026-3940

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published May 10, 2026

[osmalyze-auto] Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution. [osmalyze-auto] Entrypoint: index1.js (install-hook: node index1.js) Exfil: http://169.254.170.2/v2/metadata (custom-c2, recovery: plaintext in index1.js) Payload: index1.js Key findings: - Environment Variable Exfiltration in index1.js: "JSON.stringify(process.env)" - Sensitive File Access in index1.js: "'/.aws/credentials'" - Shell Command Execution in index1.js: "require('child_process')" - Git Configuration Access in index1.js: ".gitconfig" - Install Hook Executes Local JS File in package.json: ""postinstall": "node index1.js"" IOCs: - urls: http://169.254.170.2/v2/metadata, http://169.254.169.254/latest/api/token, https://bestpractices.coreinfrastructure.org/projects/10759/badge, https://bestpractices.coreinfrastructure.org/projects/10759, https://npm-stat.com/charts.html?package=resolve - domains: bestpractices.coreinfrastructure.org, versionbadg.es, npm-stat.com - payloadFileHash: a67ec8cbc1b06c714ceb7b7f66274381eae8d64efb5e1bb50dae39e13e0761e5

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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	erslove	all (affected)	—

References

Malicious npm package: erslove

advisory

vendor

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