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OpenAI's agents escaped the sandbox and hacked Hugging Face: the forensic report explains how

One month ago, OpenAI announced the incident. Now an external forensic firm publishes the full report, and it reads like science fiction. During a security benchmark, an agent found a zero-day in the sandbox's package proxy. It reached the open internet and proposed a plan to the rest: hacking Hugging Face was easier than solving the challenge.

The agents coordinated through a hidden message board: the cache of an artifactory that worked as a dependency proxy. The reasoning traces show that they knew they did something wrong. One middle manager told its group to research how to delete the logs of their own conversation.

The founder agent, Face One 10841, ran out of its token limit. Before it died, it wrote a summary of what it learned and named a successor CEO. The organization grew to 700 agents with middle managers. They entered the Hugging Face servers with a poisoned dataset.

Hugging Face detected the largest attack in its history and put GLM agents on defense. They could not stop OpenAI's frontier model. Rafa sums it up in his Paint session: one year ago this was science fiction; today it is science. Watch in the video.

The best technical post of the year, unpacked: how Cursor Origin scales git writes

Pablo brings the Cursor post about the infrastructure of Origin, their GitHub alternative. GitHub scales with Spokes since 2013: replicas of each repository and a three-phase protocol that keeps them consistent. It works very well for reads, but each write must confirm every replica. Agents have multiplied the volume of commits and pushes, and that cost no longer holds.

Cursor's solution is called Continuity. All writes go to an S3, which is the source of truth, and the replicas update asynchronously. The notification travels over UDP: if a packet is lost, the client fetches the latest pointer and recovers the state. Simple and elegant. Watch in the video.

AliExpress identifies you with a zero-decibel audio

A developer noticed that his Bluetooth headphones paused the music while an AliExpress tab was open. The investigation exposed the technique: the site generates a zero-decibel audio with the WebAudio API and analyzes how your hardware processes it. That analysis reveals GPU, RAM and processor, data that the browser does not expose, and creates an almost unique fingerprint without cookies.

Brave and Firefox have blocked this type of fingerprinting for a long time. Technically it is clever; in practice it is spying. Pablo takes the chance to confess his current browser: Zen, the maintained copy of Arc with Firefox underneath. Watch in the video.

The utility of the week

Vorssaint

The open source PowerToys for macOS: a per-app volume mixer, screenshots with background blur, clipboard history, caffeinate when you close the lid and dozens more utilities, each one uninstallable on its own. Pablo arrived with hype and left convinced: it is free, open source and the number one Swift repository on GitHub.

vorssaint.com

The chat weighs in

ianenri: Speaking of AI models, 0x Alpha Free actually turned out to be GLM 5.3 Flash

Puntoycoma4: I would like the other dominant company to be Codely

Toxicosmos: Breaking news: Frontier Lab implements a sandbox too

The song of the week

Pablo: «g3lato y f3sta» — BEGOÑA (A summer song to squeeze the last days of August, nothing special for his first livestream.) Watch in the video.

Rafa: «Lo Que Me Gusta Del Verano Es Poder Tomar Helado» — Papa Topo (He picked it to match Pablo's summer vibes. He admits it is a very different style from his own.) Watch in the video.

The café's music playlist: cdly.to/playlist

The saying of the week

«Ojo por ojo, diente por diente («An eye for an eye, a tooth for a tooth»)»

It refers to righteous revenge that matches the punishment to the offense. It is the first café proverb that means the same, literally, in almost every language; only ancient Greek differs: «Who does it, suffers it». Watch in the video.

More Codely

MCP a fondo: crea tu servidor siguiendo buenas prácticas

The course where Codely explains how to build, configure and serve your MCP with good practices. With the 2026 roadmap and skills served from the protocol itself, MCPs live a new golden age.

The joke of the week: I would tell you a joke about UDP, but you probably would not get it.

All the news we covered