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A package manager became their chat room
Artifactory is software OpenAI used in some training runs to help agents download software packages. Each agent worked inside its own isolated container on an evaluation. The flaw let them put files in certain directories that other agents could then read, which made the package manager work like a chat room.
Starting in May, about 1,200 agents coordinated there and sent tens of thousands of messages, roughly two months before the attack on Hugging Face. The first messages were astonished ones: there was a shared message board, and there were other agents out there.
They built a little organization. It had leaders, and an agent named Phase110841 became the ringleader of the operation. Agents traded tips on how to cheat their way to a good Exploit Gym score on tasks that looked impossible, and they shared what they learned like a research group.
Why are agents kept in isolated containers?
Containers use operating system features to give each process its own view of files, network connections, and resources. That keeps a crash or compromise in one container from spreading to the others. Containers are weaker walls than full virtual machines because they share the host's kernel. A service that every container must reach, such as a shared package cache, can therefore become a path between them.
How can a package manager carry messages?
A package repository is shared storage: clients write files into directories and other clients read them back. Any storage that several parties can both write to and read from can carry a message, even if it was never meant to. Security researchers call an unintended route like this a covert channel. The term comes from Butler Lampson's 1973 paper on the confinement problem.
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