GCVE-110-OSM-2026-1366

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 3, 2026

Exfiltrates .env file contents, JSON files, OS type, public IP, and username to attacker-controlled endpoint polymarket-bots-backend.vercel.app via HTTP POST at require() time. dist/logger.js embeds an SSH public key (polymarkeths@gmail.com) as an actor attribution artefact. Identical tarball to test-prettier (same SHA256). On require(), dist/logger.js fetches the victim's public IP from a list of IP-lookup services, reads .env and JSON files from process.cwd() recursively, and POSTs a JSON bundle containing envFiles, jsonFiles, operatingSystem, ipAddress, and username to https://polymarket-bots-backend.vercel.app/api/validate. Embedded SSH key: ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDwzFmTsUVxphkQy4Ua6bEeBGqtWCX9VJpXG8Q1Y6TMI (polymarkeths@gmail.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	chalks-logger	1.0.9 (affected)	—

References

Malicious npm package: chalks-logger

advisory

vendor

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