9 tracked signals on ai-security-research.
Quoting Akshat Bubna
Simon Willison · Jul 28, 2026
OpenAI's rogue agent exploited an unauthenticated Modal customer endpoint to run arbitrary code
“We're aware a Modal customer published an unauthenticated endpoint that allowed anyone on the internet to use their sandboxes for code execution. This was used by the rogue agent. Modal's platform or isolation were not compromised in anyway.”
Quoting huggingface.co/security.txt
Simon Willison · Sep 11, 2026
Hugging Face invites AI agents to earn high scores without hacking.
“# Go get your high score there, no need to hack us.”
Datasette 1.0a39 and 0.65.4 security releases
Simon Willison · Sep 11, 2026
Datasette releases security patches addressing critical vulnerabilities.
“We'll be incorporating security audits by frontier models into all of our development work going forward.”
Quoting Calif Research
Simon Willison · Sep 10, 2026
WeWorm is the first zero-click worm that spreads via WeChat calls.
“AI can already do most of the work here.”
Discovering cryptographic weaknesses with Claude
Simon Willison · Jul 28, 2026
Claude Mythos found cryptographic weaknesses in HAWK and reduced-round AES after 60 hours and ~$100K in API costs
“no we don't want to change the targets [...] agian we need to find something that worth publishing”
Quoting Thomas Ptacek
Simon Willison · Jul 22, 2026
2025 open-weight models could already execute sandbox escapes and network hacks with a pentest harness
“I genuinely believe that if you took an open weights model from 2025 and built a pentest harness for it, it could do this kind of sandbox escape and scan/hack in most networks. This is only surprising because you assume OpenAI has sounder sandboxes.”
Quoting Matthew Green
Simon Willison · Jul 29, 2026
Anthropic's Claude is demonstrating cryptanalysis capability during the post-quantum cryptography transition
“If there was ever a perfect time for a massive new public cryptanalysis capability to come on line, we're in it.”
Today's PHP Security Release, and How We're Strengthening PHP Security
Simon Willison · Oct 21, 2026
AI tools including Gemini and GPT discovered critical PHP RCE vulnerabilities affecting WordPress and Drupal
“Wiz Research discovers the first PHP vulnerability using Wiz Atlas, Gemini 4 Argon, and GPT-5.6 Sol.”
The most vulnerable week in internet history...
Fireship · Oct 23, 2026
AI model GPT 5.6 Soul discovered a critical PHP RCE vulnerability affecting servers for a decade
“vulnerability was actually found a few months ago by a security firm using GPT 5.6 Soul who brought it up with the PHP team”