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    CVE-2026-126399

    vLLM from 0.19.0 before 0.31.0 contains a resource exhaustion vulnerability that allows inference clients to bypass the server frame limit by setting media_io_kwargs.video.num_frames in chat completion requests. Attackers can supply num_frames=-1 or a large value with many base64 JPEG frames, forcing VideoMediaIO to decode all frames and np.stack them, causing memory exhaustion.

    Published:Nov 13, 2026
    Last Modified:Nov 13, 2026
    EPS:Nov 13, 2026
    EPSS Score:0.00476
    CVSS Score:6.5

    Affected Products

    Vendor
    Vllm
    Product
    Vllm
    Vendor
    Vllm-project
    Product
    Vllm

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-126396 (CVSS 6.9) — vLLM from 0.24.0 before 0.31.0 contains a resource exhaustion vulnerability in the MiniMax M3 VL video process…
    CVE-2026-126397 (CVSS 8.7) — vLLM from 0.10.1 before 0.31.0 forwards a request-controlled mm_processor_kwargs.max_patches value to the Hugg…
    CVE-2026-126398 (CVSS 8.2) — vLLM from 0.28.0 before 0.30.0 contains a reachable assertion vulnerability in GPUModelRunner._init_xdrope_pos…
    CVE-2026-115918 (CVSS 6.5) — vLLM is an inference and serving engine for large language models. From 0.16.0 until 0.32.0, the /v1/responses…
    CVE-2026-115917 (CVSS 3.4) — vLLM is an inference and serving engine for large language models. Prior to 0.32.0, the OpenAI-compatible serv…
    CVE-2026-115916 (CVSS 6.5) — vLLM is an inference and serving engine for large language models. Prior to 0.32.0, vllm/tokenizers/hf.py comp…
    CVE-2026-115915 (CVSS 8.1) — vLLM is an inference and serving engine for large language models. Prior to 0.32.0, ImageMediaIO passes attack…
    CVE-2026-115914 (CVSS 6.5) — vLLM is an inference and serving engine for large language models. From 0.11.1 until 0.32.0, the DeepSeek-OCR,…

    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