CVE-2026-85695

FastChat contains an authentication bypass vulnerability in the /registerworker 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 prompt...

CVE-2026-85695

FastChat (lm-sys/FastChat) has an authentication bypass in the /register_worker endpoint that allows unauthenticated attackers to register arbitrary worker addresses. This enables server-side request forgery (SSRF) and model spoofing : attackers can register malicious workers under victim model n...

EUVD-2026-71144

FastChat contains an authentication bypass vulnerability in the /registerworker 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 prompt...

CVE-2026-85695: Missing Authentication for Critical Function

FastChat contains an authentication bypass vulnerability in the /registerworker 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 prompt...

CVE-2024-10044: Server-Side Request Forgery (SSRF)

A Server-Side Request Forgery SSRF vulnerability exists in the POST /workergeneratestream API endpoint of the Controller API Server in lm-sys/fastchat, as of commit e208d5677c6837d590b81cb03847c0b9de100765. This vulnerability allows attackers to exploit the victim controller API server's...