- Security Researcher / CTF Player @W4llz
| Year | Name | Award |
|---|---|---|
| 2026 | Jiyong | NASA VDP (Vulnerability Disclosure Program) - Hall of Fame |
| 2026 | W4llz | NO HACK NO CTF 2026 1st |
| 2026 | W4llz | SekaiCTF 2026 2nd |
| 2026 | W4llz | Break The Syntax CTF 2026 2nd |
| 2025 | Jiyong | Google Cloud VRP (Vulnerability Reward Program) - Honorable Mention |
- Google Cloud VRP – ingress-gce S2 Severity Issue report
CVE-2026-58043 — Permission Model Filesystem Allowlist Bypass in Node.js
Target
- nodejs/node
Summary
- Improper enforcement in the Node.js Permission Model that can over-grant filesystem access across radix-tree prefix boundaries.
- Under
--permission, an attacker granted access to one path could abuse boundary handling to read from or write to paths outside the intended filesystem allowlist. - Affected: Node.js main, 22.x, 24.x, 26.x.
References
CVE-2026-15921 — LTS Alias Path Traversal in nvm
Target
- nvm-sh/nvm
Summary
- Path traversal vulnerability caused by insufficient validation of mirror-supplied LTS codenames.
- A malicious or compromised Node.js mirror could write outside
$NVM_DIR/alias/ltsand overwrite shell startup files such as~/.bashrc,~/.zshrc, or~/.profile, potentially leading to command execution when the shell starts.
References
CVE-2026-48718 — Firebird
Status
- Coordinated disclosure (technical details will be published after the embargo).
CVE-2026-1665 — Command Injection in nvm
Target
- nvm-sh/nvm
Summary
- Command injection caused by insufficient validation of environment variables during
wgetinvocation.
References
CVE-2025-69262 — Command Injection in pnpm
Target
- pnpm/pnpm
Summary
- Command injection through environment variable substitution, potentially leading to arbitrary code execution in CI/CD and build environments.
References
CVE-2025-14550 — Denial of Service in Django
Target
- django/django
Summary
- Super-linear processing of repeated HTTP headers in the ASGI request path, enabling a potential denial-of-service attack.
References
- Name: Jiyong Yang (양지용)
- Contact: contact@sy2n0.me



