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    CVE-2026-15978

    SGLang contains a model weight exfiltration vulnerability when no API keys are configured, as SGLang will expose two endpoints that allow a remote attacker to trigger distributed weight broadcasting using NCCL and then triggering data transfer, attackers can exfiltrate all model weights.

    Published:Jul 30, 2026
    Last Modified:Aug 4, 2026
    EPS:Jul 30, 2026
    EPSS Score:0.00294
    CVSS Score:7.5

    Affected Products

    Vendor
    Sglang
    Product
    Sglang

    Exploits

    No exploit reference

    Related CVEs

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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