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Vulnerability research, competitions, and insights from the front lines of offensive security.

CODEGATE 2026 CTF Finals General Track: 1st Place Worldwide, Earning ₩50,000,000
2026-07-25

CODEGATE 2026 CTF Finals General Track: 1st Place Worldwide, Earning ₩50,000,000

BunkyoWesterns, a team including our members, took 1st place worldwide at CODEGATE 2026 CTF Finals (General track) held in South Korea, earning a first-place prize of ₩50,000,000.

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Firefox 153.0 Vulnerability Discovery and Disclosure (CVE-2026-16373)
2026-07-21

Firefox 153.0 Vulnerability Discovery and Disclosure (CVE-2026-16373)

Our member discovered an information disclosure vulnerability in the Privacy component of Firefox for Android and reported it to Mozilla.

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Launching Ikotas Exploit Development Training, Our Practical Exploit Development Program
2026-07-18

Launching Ikotas Exploit Development Training, Our Practical Exploit Development Program

We are launching Ikotas Exploit Development Training, a practical training program centered on LLM-assisted exploit development. A hands-on training tailored to each participant, covering the major targets researchers work against from an attacker's perspective and walking through the flow from vulnerability analysis to constructing exploits that actually succeed.

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Discovery and Disclosure of 14 Vulnerabilities in TeX Live, Including Arbitrary Code Execution
2026-07-13

Discovery and Disclosure of 14 Vulnerabilities in TeX Live, Including Arbitrary Code Execution

Our team discovered multiple memory safety vulnerabilities that lead to arbitrary code execution in tools shipped with the TeX Live typesetting system, and reported them to the developer under coordinated disclosure. We demonstrated that arbitrary code execution is achievable on the official distribution binaries simply by compiling a malicious document.

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Launching Ikotas AI×Security Training, Our Practical Security Training Program
2026-06-26

Launching Ikotas AI×Security Training, Our Practical Security Training Program

We are launching Ikotas AI×Security Training, a practical training program for putting AI agents to work in real security operations. A hands-on series covering AI utilization across security workflows from an attacker's perspective.

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Midnight Sun CTF 2026 Finals 1st Place Worldwide
2026-06-11

Midnight Sun CTF 2026 Finals 1st Place Worldwide

BunkyoWesterns, a team including our members, took 1st place worldwide at Midnight Sun CTF 2026 Finals held in Sweden.

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Discovery and Disclosure of a Linux Kernel Privilege Escalation 0-day
2026-05-28

Discovery and Disclosure of a Linux Kernel Privilege Escalation 0-day

Our member discovered a local privilege escalation 0-day on the latest Linux kernel, chaining two kernel bugs, and reported it to the vendor.

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Firefox 151.0 Vulnerability Discovery and Disclosure (CVE-2026-8947, CVE-2026-8964)
2026-05-19

Firefox 151.0 Vulnerability Discovery and Disclosure (CVE-2026-8947, CVE-2026-8964)

Our member discovered vulnerabilities in Firefox's DOM: Bindings (WebIDL) and Popup Blocker components and reported them to Mozilla.

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Pwn2Own Berlin 2026 Day 3: Exploited an AI Agent, Earning $20,000 and 4 Master of Pwn Points (OpenAI Codex)
2026-05-16

Pwn2Own Berlin 2026 Day 3: Exploited an AI Agent, Earning $20,000 and 4 Master of Pwn Points (OpenAI Codex)

Our member competed on day 3 of Pwn2Own Berlin 2026 and successfully exploited OpenAI Codex, an AI coding agent.

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Pwn2Own Berlin 2026 Day 1: Earned $28,000 and 3.75 Master of Pwn Points (Megatron Bridge, LiteLLM)
2026-05-14

Pwn2Own Berlin 2026 Day 1: Earned $28,000 and 3.75 Master of Pwn Points (Megatron Bridge, LiteLLM)

Our member competed on day 1 of Pwn2Own Berlin 2026 and successfully exploited NVIDIA Megatron Bridge and LiteLLM.

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Discovery and Disclosure of an RxGK Variant in the Linux Kernel Privilege Escalation Vulnerability Family "Dirty Frag"
2026-05-11

Discovery and Disclosure of an RxGK Variant in the Linux Kernel Privilege Escalation Vulnerability Family "Dirty Frag"

Our member discovered a new privilege escalation variant of the Dirty Frag family in the Linux kernel's RxRPC RxGK security class.

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Firefox 150.0 Vulnerability Discovery and Disclosure (CVE-2026-6768, CVE-2026-6769)
2026-04-22

Firefox 150.0 Vulnerability Discovery and Disclosure (CVE-2026-6768, CVE-2026-6769)

Our member discovered vulnerabilities in Firefox's Networking: Cookies and Debugger components and reported them to Mozilla.

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