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CVE-2025-65548

nvd nist
Published: Dec 8, 2025Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Cashu: Nutshell
Cashu
1 product
Nutshell
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Nutshell
Before 0.18.0

Related CWEs

CWE-1284
Improper Validation of Specified Quantity in Input
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.

References (8)

Source: cve@mitre.org
ExploitIssue Tracking
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Product
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitIssue Tracking
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitThird Party Advisory

Timeline

No history available yet.