How to fix CVE-2025-65548?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Is Nutshell affected by CVE-2025-65548?

Organizations using NUT-14 face critical risk from CVE-2025-65548 rated CVSS 9.1. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. Proof-of-concept code is publicly available, increasing the risk of exploitation.

CVE-2025-65548

EUVD-2025-201796 CRITICAL

2025-12-08 [email protected]

Information Disclosure Nutshell

9.1

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 15, 2026 - 17:54 vuln.today

EUVD ID Assigned

Mar 15, 2026 - 17:54 euvd

EUVD-2025-201796

PoC Detected

Dec 15, 2025 - 15:56 vuln.today

Public exploit code

CVE Published

Dec 08, 2025 - 19:15 nvd

CRITICAL 9.1

DescriptionNVD

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.

AnalysisAI

A security vulnerability in NUT-14 (CVSS 9.1) that allows cashu tokens. Risk factors: public PoC available.

Technical ContextAI

Vulnerability type not specified by vendor. CVSS 9.1 indicates critical severity with likely remote exploitation vector. Affects NUT-14.

RemediationAI

Monitor vendor channels for patch availability.

CVE-2025-65548 vulnerability details – vuln.today

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CVE-2025-65548

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code