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    CVE-2025-51846

    CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade or deny service for all users of a CryptPad instance. Fixed in 2026.2.2.

    Published:Apr 30, 2026
    Last Modified:May 4, 2026
    EPS:Apr 30, 2026
    EPSS Score:0.00083
    CVSS Score:7.5

    Affected Products

    Vendor
    Cryptpad
    Product
    Cryptpad
    Vendor
    Xwiki
    Product
    Cryptpad

    Exploits

    https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.mdhttps://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory

    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