CVE-2025-65548

🚨 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 t...

Published
Dec 08, 2025
Last Modified
Dec 12, 2025
Views
11
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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.

Affected Products (1)

cashubtc - nutshell

Version: *

CVSS Scores

CVSS 3.1 9.1
9.1
CRITICAL
CVSS 2.0 9.1

Additional Information

Source
cve@mitre.org
State
Analyzed

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