Vulnerability DatabaseMSC-2026-5354
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MSC-2026-5354
Published:May 16, 2026
Updated:May 16, 2026
Mini Shai-Hulud supply chain attack: compromised npm and PyPI packages download and execute an obfuscated credential stealer (execution.js) via preinstall hooks that exfiltrates SSH keys, cloud credentials (AWS, Azure, GCP, Kubernetes), CI/CD secrets, and environment variables through attacker-controlled GitHub repositories
Related Resources (1)
https://socket.dev/supply-chain-attacks/mini-shai-hulud
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW