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CVE-2026-35402

Published: Apr 17, 2026

Modified: Apr 20, 2026

PUBLISHED

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.

Vendor	Product	Versions
neo4j-contrib	mcp-neo4j	affected `< 0.6.0`

Weaknesses (CWE)

References

https://github.com/neo4j-contrib/mcp-neo4j/security/advisories/GHSA-x3cv-r3g3-fpg9

x_refsource_CONFIRM

https://github.com/neo4j-contrib/mcp-neo4j/releases/tag/mcp-neo4j-cypher-v0.6.0

x_refsource_MISC

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