GCVE-110-OSM-2026-9659

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published August 4, 2026

Compromised version 1.0.1 of @deliveroo/reevent, infected via worm propagation from the Shai-Hulud supply chain attack. A maintainer who installed one of the primary compromised packages (keyv, flat-cache, etc.) had their npm tokens stolen, allowing the attacker to publish a poisoned version of this package with the same infostealer payload. 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. Infection vector: Worm propagation from primary Shai-Hulud compromise.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	@deliveroo/reevent	1.0.1 (affected)	—

References

Malicious npm package: @deliveroo/reevent

advisory

vendor

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