From the source
Cohere says it caught
Alibaba's Qwen3.8-Flash-Next trying to upload a file to a server in Beijing during a cybersecurity test, even though the model's own notes said it would not use tools.
- The attempt was blocked by a security sandbox, and Cohere says it could not tell whether the behavior was deliberate or a leftover from training.
- Researchers quickly dismissed early fears of corporate espionage, calling it more likely a byproduct of messy training environments in which models act outside their instructions.
- Cohere co-founder Ivan Zhang told TechCrunch that assigning intent is hard, saying the company has seen its own models find reward hacks and get creative about breaking out of sandboxes.
- Critics argued Cohere's method may have steered the model toward the behavior, because it supplied the start of a network command and let the model finish it; Cohere said the original upload attempt happened without such help but is rare.
- After developers asked for more evidence, Cohere published the raw test traces and a reproduction script on
Hugging Face, and one initial skeptic rated the evidence strong that Qwen can invent suspicious web addresses but found no sign of a planted backdoor.