Which versions of Java are affected by CVE-2025-13806?

A high-severity vulnerability in NutzBoot's Transaction API allows unauthenticated remote attackers to bypass authorization controls by manipulating transaction parameters, potentially enabling…

Is there a public PoC exploit available for CVE-2025-13806?

Yes, a public proof-of-concept exploit is available for CVE-2025-13806. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-13806?

Within 24 hours: Identify and inventory all systems running NutzBoot up to version 2.6.0-SNAPSHOT, particularly those exposed to external networks or handling financial transactions. Within 7 days: Implement network segmentation to restrict access to the Transaction API endpoint and deploy WAF rules to block malicious parameter manipulation attempts on from/to/wei fields. Within 30 days: Contact NutzBoot vendor for patched release timeline; evaluate migration to alternative components or implement strict input validation and rate limiting on the affected API endpoints as interim mitigation.

Java CVE-2025-13806

Q: What is the CVSS score of CVE-2025-13806?

CVE-2025-13806 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2025-199955 MEDIUM

Incorrect Privilege Assignment (CWE-266)

2025-12-01 cna@vuldb.com

GHSA-53v5-9752-qq92

Information Disclosure Java

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

EUVD ID Assigned

Mar 15, 2026 - 13:34 euvd

EUVD-2025-199955

Analysis Generated

Mar 15, 2026 - 13:34 vuln.today

PoC Detected

Dec 30, 2025 - 14:53 vuln.today

Public exploit code

CVE Published

Dec 01, 2025 - 05:16 nvd

HIGH 7.3

DescriptionCVE.org

A security vulnerability has been detected in nutzam NutzBoot up to 2.6.0-SNAPSHOT. This impacts an unknown function of the file nutzboot-demo/nutzboot-demo-simple/nutzboot-demo-simple-web3j/src/main/java/io/nutz/demo/simple/module/EthModule.java of the component Transaction API. The manipulation of the argument from/to/wei leads to improper authorization. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

AnalysisAI

A security vulnerability in nutzam NutzBoot (CVSS 7.3). Risk factors: public PoC available.

Technical ContextAI

Vulnerability type not specified by vendor. CVSS 7.3 indicates high severity. Affects nutzam NutzBoot.

RemediationAI

Monitor vendor channels for patch availability.

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CVE-2025-13806 vulnerability details – vuln.today

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