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Leaks in Microsoft VS Code Marketplace Put Supply Chain at Risk

ID: 463e3f65-9f1d-5431-a7d7-ad687eeff189

STIX ID: report--463e3f65-9f1d-5431-a7d7-ad687eeff189

Feed Name: Dark Reading

Threat Score
70/100

Date Published: 2025-10-16

Date Updated: 2026-04-21

Author: Rob Wright

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Wiz researchers discovered hundreds of hardcoded secrets inside VS Code extension packages published to public marketplaces (VS Code Marketplace and Open VSX), including personal access tokens and API keys that could allow attackers to update or poison extensions and perform supply-chain attacks; Microsoft revoked exposed tokens and added secret-scanning controls while Open VSX/Eclipse announced mitigation steps.

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