Vulnerability in Neo4j-Contrib Mcp-Neo4j
CVE-2026-35402
mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the read_only mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in version 0.6.0.
EPSS: 0.003 (18.1th percentile) — read the EPSS interpretation.
Affected products
- Neo4j-contrib Mcp-neo4j — versions < 0.6.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)