CVE-2026-41274

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that ar...

BIT-NEO4J-2026-1471 Caching of authentication context

Excessive caching of authentication context in Neo4j Enterprise edition versions prior to 2026.1.4 leads to authenticated users inheriting the context of the first user who authenticated after restart. The issue is limited to certain non-default configurations of SSO UserInfo endpoint. We recomme...

BIT-NEO4J-2026-1497 Incorrect privilege assignment in composite databases

Incorrect resolving of namespaces in composite databases in Neo4j Enterprise edition prior to versions 2026.02 and 5.26.22 can lead to the following scenario: an admin that intends to give a user an access to a remote database constituent "namespace.name" will inadvertently grant access to any...

EUVD-2026-25313

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that ar...

CVE-2026-41274

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that ar...

CVE-2026-41274

Technical details beyond the description are not publicly available in the provided documents. Monitor for updates.

CVE-2026-41274 Flowise: Cypher Injection in GraphCypherQAChain

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that ar...

CVE-2026-41274: Improper Neutralization of Special Elements in Data Query Logic

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can inject arbitrary Cypher commands that ar...

CVE-2026-35402

mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the readonly mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in...

The vulnerability of the Neo4jVectorFilterExpressionConverter component in the Spring AI development framework allows attackers to execute arbitrary SQL commands.

The vulnerability of the Neo4jVectorFilterExpressionConverter component in the Spring AI development framework relates to the lack of protective measures for the SQL query structure. Exploiting this vulnerability allows a malicious actor to execute arbitrary SQL commands remotely...

Authorization Bypass

mcp-neo4j-cypher is vulnerable to Authorization Bypass. The vulnerability is due to the readonly mode enforcement being bypassable using APOC CALL procedures, where unauthorized write operations or server-side request forgery can occur and attackers can exploit this to gain unauthorized access...

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 ...

EUVD-2026-23518

Neo4j Labs MCP Servers: SSRF and Data Modification via readonly Mode Bypass Through CALL Procedures...

Insufficient Granularity of Access Control

Overview mcp-neo4j-cypher is an A simple Neo4j MCP server Affected versions of this package are vulnerable to Insufficient Granularity of Access Control in the readonly mode in CALL procedures. An attacker can perform unauthorized actions and potentially access internal resources by bypassing...

GHSA-X3CV-R3G3-FPG9 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 ...

CVE-2026-35402

mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the readonly mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in...

CVE-2026-35402 mcp-neo4j-cypher: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures

mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the readonly mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in...

CVE-2026-35402 mcp-neo4j-cypher: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures

mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the readonly mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in...

CVE-2026-35402 mcp-neo4j-cypher: SSRF and Data Modification via read_only Mode Bypass Through CALL Procedures

mcp-neo4j-cypher is an MCP server for executing Cypher queries against Neo4j databases. In versions prior to 0.6.0, the readonly mode enforcement can be bypassed using APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This issue is fixed in...

CVE-2026-35402

The CVE concerns mcp-neo4j-cypher (MCP server) where, in versions before 0.6.0, enforcement of read_only mode can be bypassed via APOC CALL procedures, potentially allowing unauthorized write operations or server-side request forgery. This is mitigated by upgrading to version 0.6.0, which fixes t...