CVE Feed

    Dashboard / CVE / CVE-2025-65548

    CVE-2025-65548

    NUT-14 allows cashu tokens to be created with a preimage hash. However, nutshell (cashubtc/nuts) before 0.18.0 do not validate the size of preimage when the token is spent. The preimage is stored by the mint and attacker can exploit this vulnerability to fill the mint's db nd disk with arbitrary data.

    Published:Dec 8, 2025
    Last Modified:Dec 15, 2025
    EPS:Dec 8, 2025
    EPSS Score:0.0006
    CVSS Score:9.1

    Affected Products

    Vendor
    Cashu
    Product
    Nutshell
    Vendor
    Cashubtc
    Product
    Nutshell

    Exploits

    https://bitcointalk.org/index.php?topic=5564329https://github.com/cashubtc/nuts/blob/main/07.mdhttps://github.com/cashubtc/nuts/blob/main/14.mdhttps://github.com/jamesob/delving-bitcoin-archive/blob/master/archive/rendered-topics/2025-11-November/2025-11-02-public-disclosure-denial-of-service-using-htlc-in-cashu-id2090.mdhttps://bitcointalk.org/index.php?topic=5564329https://github.com/jamesob/delving-bitcoin-archive/blob/master/archive/rendered-topics/2025-11-November/2025-11-02-public-disclosure-denial-of-service-using-htlc-in-cashu-id2090.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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