AI-Generated npm Malware Leaks Hacker’s Private GitHub Token

Gbhackers •Mayura Kathir • May 28, 2026

A newly discovered malicious npm package is drawing attention across the cybersecurity community after inadvertently exposing its own operator’s private GitHub token. Identified by OX Security researchers, the package, named mouse5212-super-formatter, operates as an infostealer that silently exfiltrates sensitive files from compromised systems while masquerading as a legitimate development utility. The package, which has already reached […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Mini Shai-Hulud Supply Chain Attack Targets SAP npm Packages A new supply chain attack, dubbed 'Mini Shai-Hulud', has compromised multiple npm packages related to SAP's Cloud Application Programming Model (CAP). This attack involves injecting malicious preinstall scripts into legitimate packages, which execute during installation to steal sensitive credentials from developers and CI/CD environments. The malware collects data such as GitHub tokens, npm credentials, and cloud secrets, exfiltrating them via public GitHub repositories. Researchers have linked this campaign to the TeamPCP threat actor group, known for similar tactics in previous attacks. At least four SAP-related npm packages have been confirmed as compromised, with the malicious payload being designed to propagate further across the npm ecosystem. The attack is ongoing, and organizations are advised to review their environments for affected packages and rotate any exposed secrets. 545 sources 71

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AI-Generated npm Malware Leaks Hacker’s Private GitHub Token

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MITRE ATT&CK (2)

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