Cursor
auth
CSRF Protection Accidentally Disabled by Cursor
After Cursor refactored your security middleware, CSRF tokens are no longer being validated. Form submissions succeed even with invalid tokens, creating a serious security vulnerability.
The CSRF middleware was either removed or incorrectly configured during code reorganization.
Error Messages You Might See
ForbiddenError: invalid csrf token
CSRF token mismatch
No CSRF token found
Common Causes
- CSRF middleware commented out or removed during cleanup
- Exemption list too broad, accidentally exempting all routes
- Token name changed (csrf vs _csrf) without updating templates
- Session middleware moved after CSRF middleware in chain
- CSRF middleware configuration set to disabled mode
How to Fix It
Re-enable CSRF middleware: app.use(csrf({cookie: false, sessionKey: 'session'})). Verify token is passed in forms: <input type='hidden' name='_csrf' value='<%= csrfToken %>'>. Only exempt webhook endpoints like /stripe/webhook.
Real developers can help you.
Prakash Prajapati
I’m a Senior Python Developer specializing in building secure, scalable, and highly available systems. I work primarily with Python, Django, FastAPI, Docker, PostgreSQL, and modern AI tooling such as PydanticAI, focusing on clean architecture, strong design principles, and reliable DevOps practices. I enjoy solving complex engineering problems and designing systems that are maintainable, resilient, and built to scale.
Daniel Vázquez
Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting.
Krishna Sai Kuncha
Experienced Professional Full stack Developer with 8+ years of experience across react, python, js, ts, golang and react-native. Developed inhouse websearch tooling for AI before websearch was solved : )
Luca Liberati
I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture
Matthew Jordan
I've been working at a large software company named Kainos for 2 years, and mainly specialise in Platform Engineering. I regularly enjoy working on software products outside of work, and I'm a huge fan of game development using Unity. I personally enjoy Python & C# in my spare time, but I also specialise in multiple different platform-related technologies from my day job.
Jaime Orts-Caroff
I'm a Senior Android developer, open to work in various fields
Franck Plazanet
I am a Strategic Engineering Leader with over 8 years of experience building high-availability enterprise systems and scaling high-performing technical teams. My focus is on bridging the gap between complex technology and business growth.
Core Expertise:
🚀 Leadership: Managing and coaching teams of 15+ engineers, fostering a culture of accountability and continuous improvement.
🏗️ Architecture: Enterprise Core Systems, Multi-system Integration (ERP/API/ETL), and Core Database Structure.
☁️ Cloud & Scale: AWS Expert; architected systems handling 10B+ monthly requests and managing 100k+ SKUs.
📈 Business Impact: Aligning tech strategy with P&L goals to drive $70k+ in monthly recurring revenue.
I thrive on "out-of-the-box" thinking to solve complex technical bottlenecks and am always looking for ways to use automation to improve business productivity.
Omar Faruk
As a Product Engineer at Klasio, I contributed to end-to-end product development, focusing on scalability, performance, and user experience.
My work spanned building and refining core features, developing dynamic website templates, integrating secure and reliable payment gateways, and optimizing the overall system architecture.
I played a key role in creating a scalable and maintainable platform to support educators and learners globally.
I'm enthusiastic about embracing new challenges and making meaningful contributions.
Tejas Chokhawala
Full-stack engineer with 5 years experience building production web apps using React, Next.js and TypeScript.
Focused on performance, clean architecture and shipping fast.
Experienced with Supabase/Postgres backends, Stripe billing, and building AI-assisted developer tools.
Jen Jacobsen
I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses.
I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain.
You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
How do I disable CSRF for specific routes?
Use middleware options or conditionally apply: app.post('/webhook', (req,res,next) => csrfProtection(req, res, next) || skip middleware).
Why is my AJAX failing with CSRF?
Pass token in X-CSRF-Token header. Fetch the token from the DOM: document.querySelector('meta[name=csrf-token]').content.