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Cursor IDE DuneSlide Zero-Click Prompt Injection RCE

Cursor IDE DuneSlide Zero-Click Prompt Injection RCE

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 9.2 SecurityWeek

A set of vulnerabilities dubbed 'DuneSlide' in the Cursor AI code editor allow attackers to conduct zero-click prompt injection attacks that escape the application's sandbox and execute arbitrary code at the operating system level. The flaws represent a critical escalation of AI-native attack surface risks, targeting developers who rely on AI-assisted coding environments. Because exploitation requires no user interaction, the attack chain is particularly dangerous in supply chain and watering-hole scenarios.

Cursor AI Prompt Injection Chains to Shell Access

Cursor AI Prompt Injection Chains to Shell Access

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 8.5 SecurityWeek

A chained vulnerability in Cursor AI—a widely-used AI-powered code editor—allowed attackers to combine indirect prompt injection with a sandbox escape and the application's built-in remote tunnel feature to achieve arbitrary shell access on developer machines. The attack chain is particularly significant because it weaponises Cursor's own legitimate remote-access infrastructure, meaning malicious commands could blend into normal developer workflows. Developers using Cursor's AI features against untrusted code or repositories are at elevated risk of full host compromise.

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