mcp-neo4j-cypher — Ssrf (CVE-2026-35402)
Date: 2026-04
Attack vector: ssrf
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-35402
CWE: CWE-284

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.


Mitigations:

Architectural layers (MAESTRO):