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MSC-2026-11340
Published:August 12, 2026
Updated:August 17, 2026
Coordinated dependency-confusion wave on npm: 21 packages published 2026-08-12 under bin names exposed by Google-affiliated scoped packages (@angular/, @bazel/, @google/, @googlemaps/, @tensorflow/*) that had never been registered as standalone names. Each package ships nothing but a package.json postinstall hook and a postinstall.js that POSTs host reconnaissance - hostname, platform, architecture, Node version and the npm lifecycle event - to a per-package attacker subdomain.
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
ATTACKED
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Exploit Maturity
HIGH
Weakness Type (CWE)
Embedded Malicious Code