Security · 2h ago
AI Code Assistants Like Cursor Introduce Prototype Pollution Vulnerabilities
Cursor's AI-generated merge function is vulnerable to prototype pollution, allowing attackers to set properties like isAdmin on all objects via a crafted JSON payload. The recursive merge pattern lacks key guards, a common flaw in AI training data. A simple three-line fix can prevent the issue.
Meridian48 take
This highlights a broader risk: AI coding tools replicate insecure patterns from their training data, potentially introducing vulnerabilities that manual review might miss.
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Why Cursor Keeps Writing Prototype Pollution Into Your Merge Code →
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