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Product · lm-sys

fastchat

4 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.4
    CVE-2026-85695

    FastChat Unauthenticated Worker Registration SSRF and Model Spoofing

    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 vict…

    lm-sys fastchat