Blog
Security tips, vulnerability guides, and best practices for developers and vibecoders.
React2Shell: The Critical Vulnerability That Hit Every Next.js App Router Project
CVE-2025-55182 let attackers run arbitrary code on your server with a single HTTP request — CVSS 10. If you use Next.js App Router with Server Actions, check your version now.
Why AI Writes Insecure Code: The Vibe Coding Security Problem
The root cause of vibe coding security problems. Why AI coding tools write insecure code — training data, optimization targets, and context limitations explained.
Stripe Webhook Security: The Checklist Your App Needs
Stripe webhook security checklist for Next.js developers. Signature verification, replay attack prevention, idempotency, and error handling with code examples.
Security Scanner Comparison 2026: 8 Tools, Honest Ratings
Comprehensive security scanner comparison 2026. Feature matrix of 8 tools — Snyk, SonarQube, Semgrep, CodeQL, Aikido, Checkmarx, GitHub Advanced Security, and Data Hogo.
How to Secure a Vibe Coded App Before Going to Production
Step-by-step checklist for securing an AI-built app before launch. Secrets, auth, headers, dependencies, and database permissions — what to check and how to fix it.
We Scanned 50 Cursor Repos: Here's What We Found
Data-driven research: we scanned 50 public GitHub repos built with Cursor AI. Severity distribution, most common findings, and what the numbers actually mean.
Prisma + Supabase Security: The Risks Most Guides Skip
Raw queries, RLS bypass risks, connection string exposure, and migration safety in Prisma + Supabase apps. A practical security guide with code examples.
GitHub Advanced Security vs Data Hogo (2026 Comparison)
GitHub Advanced Security costs $49/user/month and requires GitHub Enterprise. Data Hogo is $12–39/month flat. Honest comparison of features, pricing, and fit.
Free SEO Security Audit: Check Your Site's Health in 30 Seconds
Run a free SEO security audit on any URL. Our tool checks 9 signals — headers, HTTPS, mixed content, meta tags — and tells you exactly what to fix.
Security Headers and SEO: How Missing Headers Hurt Your Rankings
Security headers don't just protect users — missing them actively hurts your Google rankings through bounce rates, Safe Browsing flags, and broken page signals.
Setting Up Stripe With AI? 7 Problems Your AI Assistant Can't Solve For You
AI can write your Stripe webhook handler, but it can't navigate the Dashboard, find your signing secret, or fix a wrong endpoint URL. Here are the 7 config problems you'll hit and exactly where to fix them.
Docker Security for Developers: The Practical Guide (2026)
Docker security best practices for application developers — not DevOps. Running containers as non-root, managing secrets, picking safe base images, and more.
Data Hogo vs Snyk vs Aikido: Security Scanner Comparison (2026)
Honest three-way comparison of Data Hogo, Snyk, and Aikido Security in 2026. Pricing, features, coverage, and who each tool is actually built for.
Auth.js Security Misconfigurations That Break Your App
Auth.js (NextAuth) has common security misconfigurations that expose sessions, tokens, and user data. Here's what they are and how to fix each one.
You Pushed Your API Key to GitHub — Now What?
You just pushed an API key to GitHub. Here's what happens in the next 60 seconds, and the exact steps to take before the damage spreads. Move fast.
7 Security Vulnerabilities AI Puts in Every Project
AI code assistants ship fast — and ship flawed. Here are 7 security vulnerabilities AI puts in your project, with before/after code examples for each.
Your Supabase App Built with Cursor Is Probably Vulnerable
AI tools like Cursor make common Supabase RLS mistakes. Here's exactly what they get wrong, how to check your policies, and how to fix them before it matters.
npm audit Is Not Enough: Node.js Dependency Security in 2026
npm audit misses real vulnerabilities. Here's what it skips, why it matters, and how to properly audit your Node.js dependencies — with tools and commands.
I Fixed 23 Vulnerabilities in 10 Minutes with Data Hogo
Case study: scanning a real Next.js + Supabase repo with Data Hogo. 23 findings, 3 critical. Here's what they were, how I fixed them, and how long it took.
Best Security Tools for Solo Developers in 2026
Security tools built for enterprise teams don't work for solo developers. Here's what actually works in 2026 — minimal setup, maximum coverage, budget-friendly.
Free Security Scanner Ranking 2026: Honest Comparison
Ranked: the best free security scanners in 2026. Coverage, scan limits, setup friction, and what each tool actually catches — with a clear verdict for each.
Enterprise Security at Indie Developer Prices
Enterprise security tools cost $300+/month. Here's how indie developers get the same coverage — secrets, deps, code patterns, DB rules — for $12-39/month.
Claude Code vs Cursor: Which Writes Safer Code? (2026)
Claude Code vs Cursor security comparison — which AI coding tool makes fewer security mistakes? Real patterns, real vulnerabilities, and what to watch for with each.
The Real Cost of Insecure AI-Generated Code (With Numbers)
What does insecure AI code actually cost? Data breaches, downtime, legal liability, and reputation damage — with real dollar amounts and case studies.
Data Hogo vs Semgrep: Best Alternative for Solo Developers
Data hogo vs semgrep: honest comparison for solo developers in 2026. Pricing, features, and why the opinionated layer on top of Semgrep matters more than the engine itself.
Is Your .env File Public? How to Find Out Right Now
Your .env file might be public and you don't know it. Here's how to discover if your environment variables are exposed — and what to do if they are.
Data Hogo vs SonarQube: Best Alternative for Indie Developers
Data Hogo vs SonarQube: honest comparison for indie developers in 2026. Pricing, setup complexity, AI fixes, and which one actually makes sense at your scale.
Next.js Security Guide 2026: App Router, API Routes, and Beyond
Complete Next.js security guide for 2026 — Server Actions, middleware, env vars, auth patterns, and API route hardening. Beyond just headers.
Best Security Scanners for AI-Generated Code in 2026
The best security scanners for AI code in 2026, compared honestly. Pricing, features, and who each tool is built for — Snyk, Semgrep, SonarQube, and more.
The Vibe Coder's Complete Security Guide (2026)
Ship secure code without a security background. The complete vibe coder security guide — covering the 5 risks that actually matter and how to fix them fast.
OWASP A09 Logging and Monitoring Guide
OWASP A09 is why breaches go undetected for 204 days on average. Learn what to log, what never to log, and how to fix the silent failures in your app.
The Best Free Snyk Alternatives in 2026 (Full Roundup)
Every free Snyk alternative in 2026 — ranked by coverage, ease of use, and what they actually catch. Find the right fit for your project size.
OWASP A10 SSRF Explained for Developers
SSRF lets attackers make your server fetch internal resources — including AWS metadata credentials. This guide explains how it works and how to stop it.
What the Veracode 2025 Security Report Means for Indie Developers
The Veracode 2025 State of Software Security report has specific implications for indie developers and small teams. Here are the findings that actually affect you.
OWASP A05 Security Misconfiguration Guide
90% of apps have at least one security misconfiguration. Learn what OWASP A05:2021 covers, see vulnerable vs. secure Next.js code, and fix the most common gaps.
React Security Best Practices: XSS, State, and CSP (2026)
React security best practices in 2026: how XSS happens in React apps, dangerouslySetInnerHTML risks, third-party component auditing, and Content Security Policy setup.
OWASP A08 Data Integrity Failures Guide
OWASP A08:2021 covers CI/CD attacks, unsafe deserialization, and missing SRI. Learn how integrity failures happen and how to prevent them in your pipeline.
Security for Small Teams: A Realistic Guide for 1-5 Developers
Small team security without the enterprise overhead. What actually matters when you have 1-5 developers, a limited budget, and real users depending on your app.
OWASP A07 Authentication Failures Guide
OWASP A07 authentication failures with real code examples: weak passwords, JWT without expiry, localStorage tokens, no rate limiting, and how to fix each.
After Your First Security Scan: What to Fix, What to Schedule, What to Ignore
Got your first security scan results? Here's how to read them, prioritize findings by real risk, and decide what to fix immediately vs. what can wait.
OWASP A06 Vulnerable Components Guide
OWASP A06:2021 covers vulnerable components and supply chain attacks. Learn how typosquatting, dependency confusion, and outdated npm packages put your app at risk.
OWASP Top 10 Explained: Plain English, Real Code Examples (2026)
The OWASP Top 10 explained without jargon. Real code examples, what each vulnerability actually means, and how to check if your app is affected.
OWASP A04 Insecure Design Guide
OWASP A04:2021 Insecure Design isn't about buggy code — it's about missing threat modeling and business logic flaws. Learn to spot and prevent it with real examples.
100 Days Building a Security Scanner: What Scanning Real Repos Taught Me
After 100 days of building Data Hogo and scanning real repositories, here are the patterns, surprises, and security lessons that changed how I think about code safety.
OWASP A03 Injection Attacks Guide
OWASP A03 Injection covers SQL, NoSQL, XSS, and command injection. See vulnerable vs. secure code examples and fix each type before it ships.
OWASP A02 Cryptographic Failures Guide
OWASP A02:2021 Cryptographic Failures is the #2 web vulnerability. Learn how plaintext passwords, weak hashing, and hardcoded keys expose your users — with real code examples.
OWASP A01 Broken Access Control Guide
Broken access control is the #1 OWASP risk. This guide explains IDOR, missing auth checks, JWT tampering, and how to fix them with real Next.js code examples.
Snyk vs Aikido: Honest Comparison for Indie Devs
Snyk vs Aikido comparison for indie developers in 2026. Pricing, features, and a third option built for solo builders at $12/mo. Checklist inside.
Free .env Leak Scanner — Check 13 Paths in One Click
Is your .env file publicly accessible? Paste your URL and check 13 common paths instantly. Free, no signup. A 200 on any path means your secrets are live.
What's Your App's Security Score? Take the Free Quiz
10 yes/no questions about your app's security. Get a score from 0-100 across 5 areas: secrets, auth, headers, database, dependencies. Free, no signup, 3 minutes.
Free Snyk Alternatives for Devs (2026)
Snyk's free tier runs out fast. Here are 6 free Snyk alternatives in 2026 — compared on price, coverage, and what they actually catch. Checklist inside.
Free Security Header Checker — Test Your Site in Seconds
Paste your URL and see which HTTP security headers your site is missing. Free, no signup. Checks CSP, HSTS, X-Frame-Options, and 5 more in under 10 seconds.
Your .env is Public. Here's How to Fix It. | Data Hogo
.env file exposed in production? curl -I https://yourapp.com/.env tells you in seconds. Nginx fix, git removal, and a rotation checklist for every secret.
Exposed API Key on GitHub — Fix It Now | Data Hogo
Exposed API key on GitHub? Revoke the key first — every second counts. Then remove it from git history. Provider URLs and git filter-repo commands included.
Next.js Security Headers — Complete Config | Data Hogo
Next.js security headers are absent by default — Vercel won't add them either. Get the complete next.config.ts block for CSP, HSTS, and 5 more. Free scan.
Supabase RLS Security Checklist — 10 SQL Checks
Most Supabase projects have an RLS gap. Run these 10 SQL checks to verify your row level security policies protect your data — not just appear enabled.
Cursor Code Security Scan 2026: 50 Repos Analyzed
I ran a cursor code security scan on 50 public GitHub repos built with Cursor AI. Here's the exact breakdown of findings — and how to scan your own repo free.
7 AI Code Vulnerabilities That Show Up in Almost Every Repo
The most common AI code vulnerabilities explained with real examples. See what Cursor, Copilot, and ChatGPT keep putting in your code — find them fast.
Vibe Coding Security Risks in 2026: 45% of AI Code Has Flaws
45% of AI-generated code has at least one vulnerability. Here are the 5 most common vibe coding security risks — and how to scan your repo free in under 5 minutes.