sehwan Moon

I build security tools for AI-generated code. Creator of AINAScan — catches SQL injection, command injection, and 49 other bugs that linters miss.

Seoul, Korea Joined on Jun 20, 2026 https://pleasing-transformation-production-90c2.up.railway.app/

sehwan Moon

Jun 24

We Scanned the Vibe Coding Security Scanners. Here's What We Found — Including What We Missed.

#webdev

4 min read

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sehwan Moon

Jun 24

Your Vibe-Coded App Works. But It's Probably Hiding These 5 Silent Bugs

#webdev

4 min read

sehwan Moon

Jun 24

I scanned 50 AI-generated repos. 5 critical bugs per file on average — all missed by linters.

#security #ai #vibecoding #webdev

4 min read

sehwan Moon

Jun 23

Why AI-Generated Code Passes Tests But Breaks Production (With Examples)

#ai #security #webdev #programming

3 min read

sehwan Moon

Jun 23

AINAScan: Scan Your Entire Project (ZIP/Folder) for 48 Security + Vibe-Coding Bugs — Free

#security #webdev #opensource #ai

4 min read

sehwan Moon

Jun 23

AINAScan v1.1.1 — Web UI Live, 48 Patterns, Auto-fix (Thank You for the Traffic)

#webdev #security #ai #opensource

2 min read

sehwan Moon

Jun 23

I scanned FastAPI's tutorial examples. Here's what I found.

#fastapi #security #python #webdev

3 min read

sehwan Moon

Jun 23

I gave AI-generated code a score from 0–100. Most repos scored below 30.

#security #ai #webdev #programming

4 min read

sehwan Moon

Jun 22

The vibe coding loop: scan paste into Cursor fixed in 5 seconds

#ai #webdev #productivity #security

2 min read

sehwan Moon

Jun 22

5 security patterns GitHub Copilot generates that no linter catches

#security #ai #github #python

2 min read

sehwan Moon

Jun 22

The `save_user()` that saves nothing: MISSING_WRITE bug in AI code

#python #ai #webdev #beginners

2 min read

sehwan Moon

Jun 22

I found a COMMAND_INJECTION in a 25k ⭐ AI coding assistant (in 3 seconds)

#security #github #python #devops

2 min read

sehwan Moon

Jun 22

Why `async def` without `await` is the #1 vibe-coding bug (and how to catch it)

#python #security #webdev #ai

2 min read

sehwan Moon

Jun 22

Add Security Scanning to Any GitHub Repo in 3 Lines of YAML

#github #security #devops #webdev

3 min read

sehwan Moon

Jun 21

How to add a security gate to your vibe-coding workflow (5 minutes)

#security #ai #devops #python

3 min read

sehwan Moon

Jun 21

I scanned a "vibe-coded" Python repo. Found 137 security bugs.

#security #ai #python #webdev

3 min read

sehwan Moon

Jun 21

The 15 bugs AI coding assistants generate over and over (and a scanner that catches them)

#ai #security #python #webdev

3 min read

sehwan Moon

Jun 20

I built a security scanner for AI-generated code — here's what it found

#security #python #ai #webdev

3 min read

DEV Community

sehwan Moon

Badges

Writing Debut

We Scanned the Vibe Coding Security Scanners. Here's What We Found — Including What We Missed.

Want to connect with sehwan Moon?

Your Vibe-Coded App Works. But It's Probably Hiding These 5 Silent Bugs

I scanned 50 AI-generated repos. 5 critical bugs per file on average — all missed by linters.

Why AI-Generated Code Passes Tests But Breaks Production (With Examples)

AINAScan: Scan Your Entire Project (ZIP/Folder) for 48 Security + Vibe-Coding Bugs — Free

AINAScan v1.1.1 — Web UI Live, 48 Patterns, Auto-fix (Thank You for the Traffic)

I scanned FastAPI's tutorial examples. Here's what I found.

I gave AI-generated code a score from 0–100. Most repos scored below 30.

The vibe coding loop: scan paste into Cursor fixed in 5 seconds

5 security patterns GitHub Copilot generates that no linter catches

The `save_user()` that saves nothing: MISSING_WRITE bug in AI code

I found a COMMAND_INJECTION in a 25k ⭐ AI coding assistant (in 3 seconds)

Why `async def` without `await` is the #1 vibe-coding bug (and how to catch it)

Add Security Scanning to Any GitHub Repo in 3 Lines of YAML

How to add a security gate to your vibe-coding workflow (5 minutes)

I scanned a "vibe-coded" Python repo. Found 137 security bugs.

The 15 bugs AI coding assistants generate over and over (and a scanner that catches them)

I built a security scanner for AI-generated code — here's what it found