DNS Rebinding in Neo4j Cypher MCP Enables SOP Bypass
CVE-2025-10193 Published on September 11, 2025
Neo4j Cypher MCP server is vulnerable to DNS rebinding attacks
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.
Weakness Type
Origin Validation Error
The software does not properly verify that the source of data or communication is valid.
Affected Versions
neo4j-cypher MCP server:- Version 0.2.2, <= 0.3.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.