CVE-2025-10193
September 11, 2025
DNS rebinding vulnerability in Neo4j Cypher MCP server allows malicious websites to bypass Same-Origin Policy protections and execute unauthorised tool invocations against locally running Neo4j MCP instances. The attack relies on the user being enticed to visit a malicious website and spend sufficient time there for DNS rebinding to succeed.
Affected Packages
https://github.com/neo4j-contrib/mcp-neo4j.git (GITHUB):
Affected version(s) >=mcp-neo4j-cypher-v0.2.2 <mcp-neo4j-cypher-v0.4.0Fix Suggestion:
Update to version mcp-neo4j-cypher-v0.4.0mcp-neo4j-cypher (PYTHON):
Affected version(s) >=0.2.2 <0.4.0Fix Suggestion:
Update to version 0.4.0Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Origin Validation Error
EPSS
Base Score:
0.02
