CVE Feed

    Dashboard / CVE / CVE-2026-6607

    CVE-2026-6607

    A security vulnerability has been detected in lm-sys fastchat up to 0.2.36. This issue affects the function api_generate of the component Worker API Endpoint. The manipulation leads to resource consumption. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is c9e84b89c91d45191dc24466888de526fa04cf33. It is suggested to install a patch to address this issue. Commit ff66426 patched this issue in api_generate of base_model_worker.py and did miss other entry points.

    Published:Apr 20, 2026
    Last Modified:Apr 22, 2026
    EPS:Apr 20, 2026
    EPSS Score:0.00017
    CVSS Score:5.3

    Affected Products

    Vendor
    Lm-sys
    Product
    Fastchat

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-85695 (CVSS 9.3) — FastChat contains an authentication bypass vulnerability in the /register_worker endpoint that allows unauthen…
    CVE-2026-6608 (CVSS 5.5) — A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function add_text of the compone…
    CVE-2024-10907 (CVSS 7.5) — In lm-sys/fastchat Release v0.2.36, the server fails to handle excessive characters appended to the end of mul…
    CVE-2024-10912 (CVSS 7.5) — A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. T…
    CVE-2024-12376 (CVSS 7.5) — A Server-Side Request Forgery (SSRF) vulnerability was identified in the lm-sys/fastchat web server, specifica…
    CVE-2024-11603 (CVSS 7.5) — A Server-Side Request Forgery (SSRF) vulnerability exists in lm-sys/fastchat version 0.2.36. The vulnerability…
    CVE-2024-10908 (CVSS 6.1) — An open redirect vulnerability in lm-sys/fastchat Release v0.2.36 allows a remote unauthenticated attacker to …
    CVE-2024-10044 (CVSS 9.3) — A Server-Side Request Forgery (SSRF) vulnerability exists in the POST /worker_generate_stream API endpoint of …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High