CVE-2026-35402CWE-284

mcp-neo4j-cypher: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures

Low · published April 17, 2026

CVSS v4.0
2.3
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
2.3 · LOW
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00387 · 31.6th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-04-17T20:34Z
EPSS history
Timeline
  • 17 APR 20:34Z
    mcp-neo4j-cypher: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures
    cvelistv5