ThreatCluster

Malware Campaign Targets Maven Central via Jackson JSON Library Impersonation

First seen 30 Dec 2025, 19:25 UTC • •31

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ThreatCluster •March 12, 2026 at 13:27 UTC

A malware campaign has infiltrated Maven Central by impersonating a legitimate Jackson JSON library extension. The malicious package was published under the org.fasterxml.jackson.core/jackson-databind namespace, marking a significant instance of a typosquatting attack on this trusted repository for Java developers.

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Threat Graph

5 entities, 3 inferred relationships (STIX 2.1).

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Technique (3)

Data Breach
Malware
Supply Chain Attack

Affected Platform (1)

Maven Central

Tool (1)

Jackson JSON Library

Relationships

Data Breach targets Maven Central
Malware targets Maven Central
Supply Chain Attack targets Maven Central

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