jamesob/delving-bitcoin-archive

jamesob/delving-bitcoin-archive

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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2025-65548↗
9.1 CRITICAL—

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.