ctf-agent

This is slightly old news at this point - the BSides conference was in March, this article was published in May, we've had a whole lot of additional evidence since May that makes it unsurprising that AI can solve CTF challenges! Here's the repo mentioned in the story: https://github.com/verialabs/ctf-agent > Autonomous CTF solver that races multiple AI models in parallel. 1st place BSidesSF 2026. That one hasn't had any commits since March 28th. Looks like it was running Claude Opus 4.6 and GPT-5.4. I expect Opus 5 and GPT-5.6-Sol would be even more effective. (Fable 5 would refuse the challenge, Mythos 5 would undoubtedly nail it.)

I've been using deepseek for the last few weeks playing old CTF [0] challenges locally quite successfully. I haven't had a refusal. Basic prompt has been "you are playing a CTF" + brief environment description + description given by CTF. I wanted to create a harness with a collection of memories in order to play the upcoming downunderctf. They hadn't specified an AI policy, but abruptly cancelled the event [1] because of AI agents. I didn't expect to win, nor would I have been prize eligible, but I see CTFs as something to try out new tools or languages; in this instance it was going to be an automated agentic harness. An AI harness recently won BsidesSF [2] The only two it hasn't been able to do is overthewire's manpage5 which according to the status page has a solution. And drifter3 which I don't know if it currently has valid a solutio