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Compromised Flutter package on pub.dev contains XCSSET malware

XCSSET macOS stealer found embedded in a Flutter package on pub.dev extends supply-chain poisoning beyond npm/PyPI into the Dart ecosystem, with a full infection chain targeting developer workstations.

Summary written by editorial AI · Source link below

Filed by Aikido1 min readRead at source ↗

We detected XCSSET malware inside a compromised Flutter package on pub.dev. Here is a full breakdown of the infection chain, propagation modules, and stealer logic we found inside. Category: Vulnerabilities & Threats

Editorial Analysis

Why it matters

Supply-chain attacks are expanding into less-scrutinised ecosystems like Dart/Flutter; enterprises with mobile development teams face a growing blind spot.

What to do

Extend SCA scanning to Dart/pub.dev dependencies and review developer workstation protections for macOS-specific malware.

Board brief

Malware hidden in a Flutter developer package shows supply-chain attacks are now reaching newer, less-monitored software ecosystems.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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Read the full report at Aikido

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