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0-day for everyone
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0-day for everyone
35 followers · 17 following

Sponsoring

@KDE

Achievements

Achievement: Public SponsorAchievement: Pull Sharkx2Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Public SponsorAchievement: Pull Sharkx2Achievement: YOLOAchievement: Quickdraw

Organizations

@m01nm01n @kisarazu-big-branch

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Yayoi-cs/README.md

Q: Why is the username "Yayoi-cs"?

A: It's simply because I was born in March (a.k.a Yayoi in Japan)

Said, Hi!

https://reg.rip

Hi, I'm tsune. I'm trying to conquer computer science.

real-world exploit

https://github.com/Yayoi-cs/n-day_exploits

0-day

  • GHSA-w89h-j2xg-c457

0.5-day (let 0.5-day "duplicated bug but have exploited before patch")

  • CVE-2026-49417_1day_LPE_exploit
  • CVE-2026-45258_1day_LPE_exploit

1-day

CTF archive

https://blog.reg.rip

  • '25 Midnight Flag CTF Final (Rennes, Jun/2025)
  • '25 CODEGATE Global Hacking Competition Final (Seoul, Jul/2025)
  • '25 TSG CTF Final (Tokyo, Apr/2026)

CTF authoring

https://github.com/Yayoi-cs/my-ctf-challenge

  • ICC TOKYO (Tokyo, Nov/2025)
  • '25 IERAE CTF (Online, Jun/2025)
  • Daily Alpaca Hack
  • Daily Alpaca Hack Bside
  • Hackena Ramadan CTF

Competition

  • 8th APAC HPC-AI Competition / Excellent AI performance award

Pinned Loading

  1. fastDbg fastDbg Public

    x86_64 native/qemu kernel debugger

    Go 6 1

  2. findruction2 findruction2 Public

    better fast and loose instruction finder

    Rust 3

  3. n-day_exploits n-day_exploits Public

    0-day, 0.5-day, 1-day bugs exploited by tsune

    JavaScript

  4. kisarazu-big-branch/kisarazu-big-branch kisarazu-big-branch/kisarazu-big-branch Public

    APAC HPC-AI Competition 2025, Final submittion repogitory of Kisarazu-Big-Branch.

    Shell 3

  5. gpu_monitor gpu_monitor Public

    nvidia-smi based gpu usage visualizer

    Python 6

  6. my-ctf-challenge my-ctf-challenge Public

    C