Description (CNA)
FastChat contains an authentication bypass vulnerability in the /register_worker endpoint that allows unauthenticated attackers to register arbitrary worker addresses and perform server-side request forgery. Attackers can register malicious workers under victim model names to intercept user prompts, images, and responses, or probe internal network ports across the worker mesh.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| lm-sys / FastChat | affected 0 through 0.2.36 |
CWE
CWE-306
References
- https://github.com/lm-sys/FastChat/issues/3886
- https://github.com/lm-sys/FastChat
- https://github.com/lm-sys/FastChat/blob/v0.2.36/fastchat/serve/controller.py
- https://www.vulncheck.com/advisories/fastchat-unauthenticated-worker-registration-ssrf-and-model-spoofing
ADP enrichment
No English description supplied.
No references supplied.