Jinwan Park

Security researcher / Engineer · goldleo1

GitHub LinkedIn X Email

Introduction

Hi, I’m Jinwan Park, a security researcher and engineer.

I focus on web2 security, vulnerability research, penetration testing, and automated/agentic vulnerability discovery.

Lately I’ve been working on ...

Education

2024 – Present
Korea Digital Media High School
Hacking Defense

Experience

2025 – 2025
Penetration testing
Penetration tester
  • Mobile Telecommunications companyInternal sensitive information exposure
  • Global domain of a major companySensitive file exposure, function restriction bypass

Projects

2026 – Present
Aegis
AI agents · Web Application Security · Naver Bugbounty

An AI workflow that audits web applications and generates security reports. Used in the Naver Bugbounty program, it found 20+ vulns and placed 1st in the Naver Bugbounty Hall of Fame.

GitHub Hall of Fame

Bug bounty & CVE

Bug bounty
Sep 2026
NBB-2026-0606
Naver · Logical Flaw Bugs · High
Sep 2026
NBB-2026-0600
Naver · File Download · High
Sep 2026
NBB-2026-0535
Naver · Business logic · High
Jun 2026
NBB-2026-0267
Naver · SSRF · Medium
Jun 2026
NBB-2026-0238
Naver · Authentication Bypass · High
2026
XSS
NBB-2026-0682, NBB-2026-0607, NBB-2026-0784,NBB-2026-0402, NBB-2026-0367, NBB-2026-0365, NBB-2026-0337, NBB-2026-0254, NBB-2026-0241, NBB-2026-0240, NBB-2026-0229, NBB-2026-0228, NBB-2026-0220, NBB-2026-0218, NBB-2026-0217, NBB-2026-0216, NBB-2026-0212
May 2026
KV-2026-277
Kakao · Stored XSS · Medium
2024 – 2025
Dreamhack · goorm
Patchday

Dreamhack: XS-Search #866 · DoS #869, #804, #787, #786. goorm: IDOR #691 · Business logic #705.

Achievements

2025
Midnight Flag CTF Final · 1st place
hypersonic
Nov 2025
ROKA CTF · 2nd place
Republic of Korea Army · Junior division
Nov 2025
LG U+ Security Hackathon · 2nd place
LG U+ · General division
Sep 2025
CCE (Cyber Conflict Exercise) · 1st place
Korean National Intelligence Service · Junior division
Aug 2025
Hackquest · 3rd place
KAIST
May 2025
Cybersecurity Scholarship Recipient
Future Technology Research Institute Foundation
Nov 2024
ROKA CTF · 2nd place
Republic of Korea Army · Junior division
Nov 2024
BISC CTF · 4th place
BoB Alumni Association