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    CVE-2026-103472

    restbed through 5.0.0 accepts WebSocket frames with declared payload lengths up to 2^63 bytes and buffers the payload without size limits in an unbounded stream buffer. Remote unauthenticated attackers can declare large frame sizes and stream payload data to exhaust server memory, causing denial of service through process crash.

    Published:Sep 30, 2026
    Last Modified:Oct 1, 2026
    EPS:Sep 30, 2026
    EPSS Score:0.00793
    CVSS Score:7.5

    Affected Products

    Vendor
    Corvusoft
    Product
    Restbed

    Exploits

    No exploit reference

    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