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CVE-2025-56406

Good to know:

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Date: September 9, 2025

An issue was discovered in mcp-neo4j 0.3.0 allowing attackers to gain sensitive information or execute arbitrary commands via the SSE service.

Severity Score

Related Resources (4)

https://github.com/August829/CVEP/issues/1
https://nvd.nist.gov/vuln/detail/CVE-2025-56406
https://github.com/neo4j-contrib/mcp-neo4j/issues/124
https://www.mend.io/vulnerability-database/CVE-2025-56406

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Improper Access Control

CWE-284

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Top Fix

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Upgrade Version

Upgrade to version mcp-neo4j-memory - null;https://github.com/neo4j-contrib/mcp-neo4j.git - null

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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