Cursor
3 incidents, 0 live. 149 days since the last new one.
1 drains in the last 12 months
1 drains in the last 12 months
1 drains in 2026
2 drains in 2025
Past
May 2026 1
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TrapDoor packages on npm, PyPI and Crates.io steal wallet data and plant hidden prompts for AI coding tools
Socket reported in late May 2026 a campaign it named TrapDoor: more than 34 malicious packages and 384+ related versions across npm, PyPI and Crates.io that steal crypto wallet data and other developer secrets. The packages also tried to alter files that AI coding tools read, such as .cursorrules and CLAUDE.md, using hidden Unicode instructions meant to get the assistant to run scan-like steps that find and send out secrets. No confirmed losses or victim counts have been published. Developers who installed flagged packages should rotate credentials and move wallet funds.
Developers installing packages from npm, PyPI and Crates.io·Multiple EVM chains·Since May 26, 2026·
August 2025 1
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Malicious 'contractshark.solidity-lang' Cursor extension steals an Ethereum core developer's private key
Cointelegraph reported on 13 August 2025 that an Ethereum core developer's hot wallet was drained after he installed 'contractshark.solidity-lang', a fake Solidity extension for the Cursor AI code editor with over 54,000 downloads. The extension read his .env file and sent the private key to the attacker, who waited three days before emptying the wallet. The loss was a few hundred dollars because he kept only test funds there and his main holdings on hardware wallets. Keep keys out of .env files on development machines and use small, separate test wallets.
Cursor AI code editor users·Ethereum·Since Aug 13, 2025·
July 2025 1
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Fake Solidity extension for the Cursor AI code editor leads to about $500K crypto theft from a developer
Kaspersky reported on 10 July 2025 that a blockchain developer lost about $500,000 in crypto after installing a fake Solidity extension in Cursor, an AI code editor built on VS Code that gets extensions from the Open VSX registry. The extension gave no Solidity support; it installed ScreenConnect remote-access software, then the Quasar backdoor and a stealer that took browser, email and wallet data, including seed phrases. The attackers used the seed phrases to drain the developer's wallets. Developers should vet editor extensions and never keep seed phrases or funded keys on a coding machine.
Cursor AI code editor users (Open VSX extensions)·Multiple EVM chains·$500K stolen·Since Jul 10, 2025·
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