Robert Chen

founder @osec_io | web/pwn with @redpwnctf + @dicegangctf | prev @dfsec_com

[Robert Chen @NotDeGhost]

cve-2026-111760: we pwned git

[Caue @caueobici]

A fun part of the CVE is that we don't actually need the --recursive flag to exploit it

All we need is git cloning a repo from a custom git server since it requires a malformed pack, so a normal github repo wouldn't fit

`git clone http://<evil_url>/repo.git` is vulnerable too

[Robert Chen @NotDeGhost]

openliquid

[Robert Chen @NotDeGhost]

Great work @caueobici!

[Robert Chen @NotDeGhost]

cve-2026-111760: we pwned git

[high warlord cavius i ∿ @cavemanloverboy]

the first long-term mithril node on mainnet!

separating the blockbuilding from the client means any new validator client can get world class rewards out of the box by connecting to harmonic; we now support three clients and counting!

harmonic removes the incentives for operators to run one client over another, instead allowing operators to focus on client diversity and network health and robustness

[Robert Chen @NotDeGhost]

local models are secure models

[Underdog AI @UnderdogAI]

Today we’re releasing Underdog Woof in Japanese. Woof が日本語を話せるようになりました。

Two voices in a 40 MB model, Misa & Mikasa, that runs 14.5x faster than real time

Woof JP generates speech fully in your browser, even without wifi. Try it in our game: https://t.co/7AXRr0N5mS

It’s free and open weight on huggingface. Try Woof today in Underdog, your Private Personal AI: https://t.co/02uueDjnk8

[Robert Chen @NotDeGhost]

as we've seen in blockchain, hacks become very aggressive when there is a "short path to money". interesting that there's now a path w/ AI companies as well by selling LLM tokens

my guess is we'll see more convergence here, where security starts to matter a lot more for certain types of AI companies

[Lin Qiao @lqiao]

https://t.co/4cBFVAuEZ8

[Robert Chen @NotDeGhost]

lets build security for the agentic age

[Solana @solana]

We asked people shaping the ecosystem one question:

What would you build now?

Introducing Solana’s Request for Startups.

[Solana @solana]

We asked people shaping the ecosystem one question:

What would you build now?

Introducing Solana’s Request for Startups.

[Jamie Hill-Daniel @clubby789]

My DEFCON talk from earlier this year was finally uploaded today!
https://t.co/SGOfL88mAY

[Robert Chen @NotDeGhost]

hyperliquid

[Robert Chen @NotDeGhost]

we are very pro-researcher here at OtterSec!

[Jun Choi @jjunchoii]

@flarrs315 @gosasu1 for context: at ottersec, researchers can use our tokens/tooling/resources for free to hunt for bugs and receive 100% of the payouts for themselves. the researchers deserve the pay outs, not the company!

[Perp City @perpdotcity]

Will AI destroy the internet before saving it?

$IMI is now live on Perp City, a perp market on the internet’s cybersecurity risk.

[Harsh Jaiswal @rootxharsh]

We will be hacking OpenAI more closely now!

https://t.co/0VvQ49cch5

[Hacktron AI @HacktronAI]

OpenAI has announced a partnership with Hacktron to investigate vulnerabilities in its systems. Our researchers will work with @OpenAI's engineers to prioritize testing of connections with third-party services, with broader frontier-model access through Daybreak Red.

We're excited to deepen our partnership with OpenAI, combining our offensive security expertise with their frontier models to help secure OpenAI and the broader software ecosystem.

https://t.co/PqWAT5g3W3

[Robert Chen @NotDeGhost]

congrats on the marriage!

and @zeyu1337 @LiveOverflow for drafting the openai quote the night of the wedding

[s1r1us @S1r1u5_]

Two crazy things happened in my life:

1. Got married to the love of my life, surrounded by the people I love most.
2. Partnering with OpenAI. Link below

[Robert Chen @NotDeGhost]

sept 17th: @HacktronAI pwns @OpenAI
nov 6th: OpenAI partners with Hacktron

crazy how much can change in a month!

https://t.co/1HxAOMRw4n

[Jun Choi @jjunchoii]

Always a pleasure working with @Wealthsimple, where my dad is a user lol

[Robert Chen @NotDeGhost]

@aliquotchris congrats!