CVE-2026-35402
Low
Description
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.
SeverityLow
CVSS2.3
Exploit probability—
ProductMcp-neo4j-cypher
PublishedApr 17, 2026
First seenApr 17, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- mcp-neo4j-cypher0.6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mcp-neo4j-cypherPyPI | v < 0.6.0 | 0.6.0 |
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