CVE-2025-65548
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-08
Last updated on: 2025-12-15
Assigner: MITRE
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| cashu | nutshell | to 0.18.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-1284 | The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in nutshell (cashubtc/nuts) before version 0.18.0 allows cashu tokens to be created with a preimage hash without validating the size of the preimage when the token is spent. As a result, an attacker can exploit this flaw to store arbitrary data in the mint's database and disk.
How can this vulnerability impact me? :
The vulnerability can be exploited by an attacker to fill the mint's database and disk with arbitrary data, potentially leading to resource exhaustion, degraded performance, or denial of service.
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