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MSC-2026-11432
Published:August 24, 2026
Updated:August 24, 2026
Malicious typosquat of chai-as-promised (attacker-owned throwaway account, not a takeover). Package ships a stolen copy of the pino logger as camouflage; the real payload is a ~4MB obfuscated blob in lib/config.js that is executed at import via index.js (require + child_process.spawn behind a decoy middleware). On execution it beacons to a Cloudzy VPS (54.167.88.167). Same campaign as version 6.0.3.
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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
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