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Cursor AI Extension Access Developer Tokens Leads to Full Credential Compromise

📅 30 April 2026 at 04:07 UTC📰 Cyber Security NewsView original source ↗
Cursor AI Extension Access Developer Tokens Leads to Full Credential Compromise

A high-severity access-control vulnerability (CVSS 8.2) in Cursor, a widely used AI-powered coding environment. The flaw uncovered by LayerX has allowed any installed extension to access a developer’s API keys and session tokens secretly. This results in total credential compromise without triggering any alerts or requiring user interaction. Unlike secure applications that store sensitive secrets […] The post Cursor AI Extension Access Developer Tokens Leads to Full Credential Compromise appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A high-severity access-control vulnerability in Cursor's AI-powered coding environment allowed any installed extension to access developer API keys and session tokens, resulting in full credential compromise without user interaction.

⚙️Technical Details
Affected Systems
Cursor AI-powered coding environment
Attack Vectors
Installed extensions
💥Impact Assessment
Severity: Critical
Who Is at Risk
Developers using Cursor AI extension
🛡️Recommended Actions
1Disable all installed extensions in Cursor
2Regularly review and revoke unused extensions
3Implement additional security measures to protect developer credentials
📦Affected Products
Cursor AI-powered coding environment

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