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Malicious AI extensions on VSCode Marketplace steal developer data

ID: 51428bca-ef1e-5abe-977f-1f67b4b0a4e2

STIX ID: report--51428bca-ef1e-5abe-977f-1f67b4b0a4e2

Feed Name: Bleeping Computer

Threat Score
82/100

Date Published: 2026-01-23

Date Updated: 2026-04-20

Author: Bill Toulas

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Researchers found two malicious Visual Studio Code extensions (collectively installed ~1.5M times) that silently exfiltrate opened files, can be commanded to harvest up to 50 workspace files, and load analytics SDKs for device/user profiling; the campaign (MaliciousCorgi) sends Base64-encoded source files and potentially sensitive configuration/credential data to China-based backend servers.

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