Malicious npm Packages Target Developer Credentials Across Multiple Operating Systems

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Malicious npm Packages Target Developer Credentials Across Multiple Operating Systems

First seen 2 Nov 2025, 16:14 UTC • •19.1

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ThreatCluster •March 12, 2026 at 13:27 UTC

A series of malicious npm packages have been identified that target developer credentials on Windows, macOS, and Linux systems. These packages exploit system keyrings and bypass application-level security to steal decrypted credentials. Affected users are advised to revoke their credentials and rebuild their environments to mitigate the impact.

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4 entities, 3 inferred relationships (STIX 2.1).

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Technique (1)

Malware

Affected Platform (3)

Linux
MacOS
Windows

Relationships

Malware targets Linux
Malware targets MacOS
Malware targets Windows

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