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.
Metrics
Affected Vendors & Products
References
History
Thu, 11 Dec 2025 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-1284 | |
| Metrics |
cvssV3_1
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Tue, 09 Dec 2025 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cashubtc
Cashubtc nutshell |
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| Vendors & Products |
Cashubtc
Cashubtc nutshell |
Mon, 08 Dec 2025 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published: 2025-12-08T00:00:00.000Z
Updated: 2025-12-11T14:36:58.193Z
Reserved: 2025-11-18T00:00:00.000Z
Link: CVE-2025-65548
Updated: 2025-12-09T20:03:57.625Z
Status : Awaiting Analysis
Published: 2025-12-08T19:15:50.677
Modified: 2025-12-11T15:15:50.310
Link: CVE-2025-65548
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