PYSEC-2026-2626 Neo4j Labs MCP Servers: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures

Summary The readonly mode in mcp-neo4j-cypher versions prior to 0.6.0 can be bypassed using CALL procedures. Details Impact The enforcing of readonly mode in vulnerable versions could be bypassed by certain APOC procedures. Patches v0.6.0 release hardened the checks around the mode. The only way ...