[{"data":1,"prerenderedAt":522},["ShallowReactive",2],{"blog-guides/cursor":3},{"id":4,"title":5,"body":6,"category":502,"date":503,"dateModified":503,"description":504,"draft":505,"extension":506,"faq":507,"featured":505,"headerVariant":508,"image":507,"keywords":507,"meta":509,"navigation":510,"ogDescription":511,"ogTitle":507,"path":512,"readTime":513,"schemaOrg":514,"schemaType":515,"seo":516,"sitemap":517,"stem":518,"tags":519,"twitterCard":520,"__hash__":521},"blog/blog/guides/cursor.md","Cursor Security Guide: Securing AI-Assisted Code",{"type":7,"value":8,"toc":480},"minimark",[9,16,21,24,53,57,60,74,83,88,96,109,113,116,120,129,134,143,147,150,159,163,172,176,235,239,242,246,255,259,268,272,277,280,283,286,289,292,295,298,301,305,308,328,337,341,422,450,468],[10,11,12],"tldr",{},[13,14,15],"p",{},"Cursor is a VS Code fork with AI built in. Your code runs locally, but context is sent to AI servers for processing. The main security concerns are reviewing AI-generated code for vulnerabilities, keeping secrets out of code, and configuring .cursorignore to exclude sensitive files from AI context. Cursor itself doesn't deploy your app, so deployment security depends on your hosting choice.",[17,18,20],"h2",{"id":19},"how-cursor-works","How Cursor Works",[13,22,23],{},"Cursor is based on VS Code and adds AI features that help you write code faster. Understanding how it handles your code is important for security:",[25,26,27,35,41,47],"ul",{},[28,29,30,34],"li",{},[31,32,33],"strong",{},"Local editing:"," Your code files are stored locally on your machine",[28,36,37,40],{},[31,38,39],{},"AI context:"," When you use AI features, relevant code is sent to Cursor's servers",[28,42,43,46],{},[31,44,45],{},"Code generation:"," AI suggests code based on your prompts and codebase context",[28,48,49,52],{},[31,50,51],{},"No deployment:"," Cursor is just an editor, you deploy elsewhere",[17,54,56],{"id":55},"what-code-does-cursor-see","What Code Does Cursor See?",[13,58,59],{},"When you use Cursor's AI features (Chat, Composer, autocomplete), the AI receives context from your codebase. This might include:",[25,61,62,65,68,71],{},[28,63,64],{},"The current file you're editing",[28,66,67],{},"Files you've recently opened",[28,69,70],{},"Files related to your current task",[28,72,73],{},"Code you've highlighted or referenced",[75,76,77],"warning-box",{},[13,78,79,82],{},[31,80,81],{},"Privacy consideration:"," If you're working on proprietary code or have secrets in your codebase, be aware that context is sent to AI servers. Use .cursorignore to exclude sensitive files.",[84,85,87],"h3",{"id":86},"configuring-cursorignore","Configuring .cursorignore",[13,89,90,91,95],{},"Create a ",[92,93,94],"code",{},".cursorignore"," file to prevent sensitive files from being sent to AI:",[97,98,99],"code-block",{"label":94},[100,101,106],"pre",{"className":102,"code":104,"language":105},[103],"language-text","# Environment files with secrets\n.env\n.env.local\n.env.production\n\n# Configuration with sensitive data\nconfig/secrets.js\n**/credentials.json\n\n# Private keys\n*.pem\n*.key\nid_rsa*\n\n# Proprietary algorithms (if applicable)\nsrc/proprietary/\n\n# Large files that don't need AI context\nnode_modules/\ndist/\n*.log\n","text",[92,107,104],{"__ignoreMap":108},"",[17,110,112],{"id":111},"security-risks-in-ai-generated-code","Security Risks in AI-Generated Code",[13,114,115],{},"The code Cursor generates is functional but may have security issues:",[84,117,119],{"id":118},"_1-hardcoded-secrets","1. Hardcoded Secrets",[97,121,123],{"label":122},"AI might generate code like this",[100,124,127],{"className":125,"code":126,"language":105},[103],"// Cursor might auto-complete with placeholder values\nconst stripe = require('stripe')('sk_test_example123');\nconst openai = new OpenAI({ apiKey: 'sk-placeholder' });\n",[92,128,126],{"__ignoreMap":108},[13,130,131],{},[31,132,133],{},"Always replace with environment variables:",[97,135,137],{"label":136},"Correct approach",[100,138,141],{"className":139,"code":140,"language":105},[103],"const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);\nconst openai = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });\n",[92,142,140],{"__ignoreMap":108},[84,144,146],{"id":145},"_2-missing-authentication","2. Missing Authentication",[13,148,149],{},"When you ask Cursor to create an API endpoint, it focuses on functionality:",[97,151,153],{"label":152},"AI-generated endpoint (needs auth added)",[100,154,157],{"className":155,"code":156,"language":105},[103],"// Cursor might generate this\napp.delete('/api/users/:id', async (req, res) => {\n  await db.users.delete(req.params.id);\n  res.json({ success: true });\n});\n\n// You need to add authentication!\napp.delete('/api/users/:id', authenticateUser, async (req, res) => {\n  // Also check authorization\n  if (req.user.id !== req.params.id && !req.user.isAdmin) {\n    return res.status(403).json({ error: 'Forbidden' });\n  }\n  await db.users.delete(req.params.id);\n  res.json({ success: true });\n});\n",[92,158,156],{"__ignoreMap":108},[84,160,162],{"id":161},"_3-sql-injection-vulnerabilities","3. SQL Injection Vulnerabilities",[97,164,166],{"label":165},"Vulnerable pattern AI might generate",[100,167,170],{"className":168,"code":169,"language":105},[103],"// DON'T USE: String interpolation in SQL\nconst query = `SELECT * FROM users WHERE email = '${email}'`;\n\n// USE: Parameterized queries\nconst query = 'SELECT * FROM users WHERE email = $1';\nconst result = await db.query(query, [email]);\n",[92,171,169],{"__ignoreMap":108},[84,173,175],{"id":174},"_4-insecure-defaults","4. Insecure Defaults",[177,178,179,192],"table",{},[180,181,182],"thead",{},[183,184,185,189],"tr",{},[186,187,188],"th",{},"AI Might Generate",[186,190,191],{},"What You Should Use",[193,194,195,211,219,227],"tbody",{},[183,196,197,201],{},[198,199,200],"td",{},"cors({ origin: '*' })",[198,202,203,204,210],{},"cors({ origin: '",[205,206,207],"a",{"href":207,"rel":208},"https://yourdomain.com",[209],"nofollow","' })",[183,212,213,216],{},[198,214,215],{},"cookie: { secure: false }",[198,217,218],{},"cookie: { secure: true, httpOnly: true }",[183,220,221,224],{},[198,222,223],{},"No rate limiting",[198,225,226],{},"Add rate limiting middleware",[183,228,229,232],{},[198,230,231],{},"Debug logging enabled",[198,233,234],{},"Disable verbose logging in production",[17,236,238],{"id":237},"secure-prompting-in-cursor","Secure Prompting in Cursor",[13,240,241],{},"How you prompt Cursor affects the security of generated code:",[84,243,245],{"id":244},"include-security-requirements","Include Security Requirements",[97,247,249],{"label":248},"Better prompts for secure code",[100,250,253],{"className":251,"code":252,"language":105},[103],"// Instead of: \"Create a login endpoint\"\n// Ask: \"Create a secure login endpoint with:\n// - Password hashing with bcrypt\n// - Rate limiting (5 attempts per minute)\n// - Input validation\n// - Secure session handling\n// - No sensitive data in error messages\"\n",[92,254,252],{"__ignoreMap":108},[84,256,258],{"id":257},"ask-for-security-review","Ask for Security Review",[97,260,262],{"label":261},"Use Cursor Chat for security review",[100,263,266],{"className":264,"code":265,"language":105},[103],"// In Cursor Chat, ask:\n\"Review this code for security issues:\n- SQL injection\n- XSS vulnerabilities\n- Authentication bypass\n- Exposed secrets\n- Missing input validation\"\n",[92,267,265],{"__ignoreMap":108},[17,269,271],{"id":270},"cursor-security-checklist","Cursor Security Checklist",[273,274,276],"h4",{"id":275},"before-committing-ai-generated-code","Before Committing AI-Generated Code",[13,278,279],{},"No hardcoded API keys, passwords, or tokens",[13,281,282],{},"Database queries use parameterized statements",[13,284,285],{},"User input is validated and sanitized",[13,287,288],{},"Authentication checks on protected routes",[13,290,291],{},"Authorization (users can only access their data)",[13,293,294],{},"CORS configured for specific origins",[13,296,297],{},"Error messages don't leak internal details",[13,299,300],{},"Sensitive operations have rate limiting",[17,302,304],{"id":303},"privacy-settings-in-cursor","Privacy Settings in Cursor",[13,306,307],{},"Cursor offers privacy controls you should configure:",[25,309,310,316,322],{},[28,311,312,315],{},[31,313,314],{},"Privacy Mode:"," Prevents code from being used for training",[28,317,318,321],{},[31,319,320],{},"Codebase Indexing:"," Controls which files Cursor indexes for context",[28,323,324,327],{},[31,325,326],{},".cursorignore:"," Excludes specific files from AI features",[329,330,331],"info-box",{},[13,332,333,336],{},[31,334,335],{},"Enterprise users:"," Cursor offers additional privacy features for business accounts, including options for self-hosted models and stricter data handling.",[17,338,340],{"id":339},"cursor-vs-other-ai-editors","Cursor vs Other AI Editors",[177,342,343,359],{},[180,344,345],{},[183,346,347,350,353,356],{},[186,348,349],{},"Feature",[186,351,352],{},"Cursor",[186,354,355],{},"GitHub Copilot",[186,357,358],{},"Windsurf",[193,360,361,373,384,397,410],{},[183,362,363,366,369,371],{},[198,364,365],{},"Code runs locally",[198,367,368],{},"Yes",[198,370,368],{},[198,372,368],{},[183,374,375,378,380,382],{},[198,376,377],{},"AI context sent to cloud",[198,379,368],{},[198,381,368],{},[198,383,368],{},[183,385,386,389,391,394],{},[198,387,388],{},"Ignore file support",[198,390,94],{},[198,392,393],{},".copilotignore",[198,395,396],{},"Settings-based",[183,398,399,402,404,407],{},[198,400,401],{},"Privacy mode",[198,403,368],{},[198,405,406],{},"Yes (Enterprise)",[198,408,409],{},"Enterprise",[183,411,412,415,418,420],{},[198,413,414],{},"Deployment included",[198,416,417],{},"No",[198,419,417],{},[198,421,417],{},[423,424,425,432,438,444],"faq-section",{},[426,427,429],"faq-item",{"question":428},"Does Cursor store my code?",[13,430,431],{},"Cursor sends code context to its servers for AI processing. According to their privacy policy, code is not used for training if you enable Privacy Mode. Review their current policies for specifics on data retention.",[426,433,435],{"question":434},"Is code generated by Cursor secure?",[13,436,437],{},"Not automatically. Cursor generates functional code, but security features like authentication, input validation, and proper secrets handling often need to be added manually. Always review generated code for security issues.",[426,439,441],{"question":440},"Can I use Cursor for sensitive projects?",[13,442,443],{},"Consider your security requirements. Use .cursorignore for sensitive files, enable Privacy Mode, and review Cursor's enterprise options if you need stricter data handling. Some organizations prefer offline-capable tools for highly sensitive code.",[426,445,447],{"question":446},"How do I prevent Cursor from seeing my .env file?",[13,448,449],{},"Add .env and other sensitive files to your .cursorignore file. This prevents them from being sent as context when using AI features. Also ensure your .gitignore includes these files.",[451,452,453,458,463],"related-articles",{},[454,455],"related-card",{"description":456,"href":457,"title":271},"Complete pre-launch checklist","/blog/checklists/cursor-security-checklist",[454,459],{"description":460,"href":461,"title":462},"Full security analysis","/blog/is-safe/cursor","Is Cursor Safe?",[454,464],{"description":465,"href":466,"title":467},"Security review techniques","/blog/checklists/ai-generated-code-checklist","Reviewing AI Code",[469,470,473,477],"cta-box",{"href":471,"label":472},"/","Start Free Scan",[17,474,476],{"id":475},"built-with-cursor","Built with Cursor?",[13,478,479],{},"Scan your project for security issues in AI-generated code.",{"title":108,"searchDepth":481,"depth":481,"links":482},2,[483,484,488,494,498,499,500,501],{"id":19,"depth":481,"text":20},{"id":55,"depth":481,"text":56,"children":485},[486],{"id":86,"depth":487,"text":87},3,{"id":111,"depth":481,"text":112,"children":489},[490,491,492,493],{"id":118,"depth":487,"text":119},{"id":145,"depth":487,"text":146},{"id":161,"depth":487,"text":162},{"id":174,"depth":487,"text":175},{"id":237,"depth":481,"text":238,"children":495},[496,497],{"id":244,"depth":487,"text":245},{"id":257,"depth":487,"text":258},{"id":270,"depth":481,"text":271},{"id":303,"depth":481,"text":304},{"id":339,"depth":481,"text":340},{"id":475,"depth":481,"text":476},"guides","2026-01-16","Complete security guide for Cursor AI editor. Learn to review AI-generated code, protect secrets, and deploy secure applications built with Cursor.",false,"md",null,"blue",{},true,"How to build secure applications with Cursor AI and avoid common security pitfalls.","/blog/guides/cursor","10 min read","[object Object]","Article",{"title":5,"description":504},{"loc":512},"blog/guides/cursor",[],"summary_large_image","EKcBOloN9hQG-9Xi_1tjPoZg-cO1lUrhd1379A6sua0",1775843918547]