GCVE-110-OSM-2026-9657

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published August 4, 2026

Compromised version 7.2.10 of cache-manager (16M monthly downloads) via hijacked maintainer GitHub account in the Shai-Hulud supply chain attack. Malicious preinstall script executes setup.mjs dropper which downloads the Bun runtime and runs a 728KB obfuscated infostealer payload (Math_Symbol.js) targeting npm tokens, GitHub tokens, AWS credentials, Kubernetes secrets, Vault tokens, and sensitive files. Malicious payload found in: setup.mjs, Math_Symbol.js Trigger: preinstall script in package.json: node setup.mjs Behavior: Downloads Bun runtime, executes Math_Symbol.js infostealer targeting npm/GitHub/AWS/K8s/Vault/Stripe/Slack credentials, SSH keys, .env files, private keys. Exfiltrates encrypted data to GitHub repo. Contains worm propagation.

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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	cache-manager	7.2.10 (affected)	—

References

Malicious npm package: cache-manager

advisory

vendor

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