Supply-chain attack using invisible code hits GitHub and other repositories

Ars Technica
March 13, 2026
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1 min read

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Supply-chain attack using invisible code targets GitHub and other software repositories.

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If you use software or apps, this attack could potentially compromise programs you rely on daily.

AI Summary

Researchers from Aikido Security discovered a supply-chain attack that uploaded 151 malicious packages to GitHub and other code repositories using invisible unicode characters to hide malicious functions from detection. The attack occurred from March 3 to March 9, targeting GitHub, NPM, and Open VSX repositories with code that appears normal in editors but contains hidden executable malware. The invisible code technique renders traditional manual code reviews and existing security defenses nearly useless against these threats. Aikido first identified this tactic last year, but the recent campaign represents a significant escalation in the use of unicode-based obfuscation. The attack follows the established pattern of mimicking legitimate code libraries to trick developers into incorporating malicious packages into their software projects.

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