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    CVE-2026-93436

    vLLM through 0.29.0 fails to properly clean up decode-side metadata for rejected inference requests in prefill/decode disaggregated deployments. Remote attackers can submit requests with max_tokens=0 to exhaust decode-worker memory without bound until the worker restarts.

    Published:Sep 17, 2026
    Last Modified:Sep 22, 2026
    EPS:Sep 17, 2026
    EPSS Score:0.00538
    CVSS Score:7.5

    Affected Products

    Vendor
    Vllm
    Product
    Vllm

    Exploits

    No exploit reference

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    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