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    CVE-2026-111392

    SGLang through 0.5.21 trusts caller-supplied mm_hashes values as the multimodal prefix-cache key, allowing remote attackers to poison cached KV entries across requests. Attackers can send a different image under a known or predicted hash via /generate to disclose another request's image content or corrupt victims' responses.

    Published:Oct 16, 2026
    Last Modified:Oct 23, 2026
    EPS:Oct 16, 2026
    EPSS Score:0.00206
    CVSS Score:4.8

    Affected Products

    Vendor
    Sgl-project
    Product
    Sglang

    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