VDB-323636 · CVE-2025-10193 · GHSA-vcqx-v2mg-7chx

neo4j neo4j-cypher MCP server up to 0.3.1 DNS origin validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in neo4j neo4j-cypher MCP server up to 0.3.1. Impacted is an unknown function of the component DNS Handler. Such manipulation leads to origin validation. This vulnerability is documented as CVE-2025-10193. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in neo4j neo4j-cypher MCP server up to 0.3.1 and classified as problematic. Affected by this issue is an unknown code block of the component DNS Handler. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

DNS rebinding vulnerability in Neo4j Cypher MCP server allows malicious websites to bypass Same-Origin Policy protections and execute unauthorised tool invocations against locally running Neo4j MCP instances. The attack relies on the user being enticed to visit a malicious website and spend sufficient time there for DNS rebinding to succeed.

The weakness was released by Evan Harris as GHSA-vcqx-v2mg-7chx. The advisory is shared for download at neo4j.com. This vulnerability is handled as CVE-2025-10193 since 09/09/2025. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.4.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-28908). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Artificial Intelligence Software

Vendor

neo4j

Name

neo4j-cypher MCP server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: neo4j-cypher MCP server 0.4.0

Timelineinfo

09/09/2025 CVE reserved
09/11/2025 +2 days Advisory disclosed
09/11/2025 +0 days VulDB entry created
09/11/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-vcqx-v2mg-7chx
Researcher: Evan Harris
Status: Confirmed

CVE: CVE-2025-10193 (🔒)
GCVE (CVE): GCVE-0-2025-10193
GCVE (VulDB): GCVE-100-323636
EUVD: 🔒

Entryinfo

Created: 09/11/2025 17:08
Updated: 09/11/2025 17:53
Changes: 09/11/2025 17:08 (73), 09/11/2025 17:53 (1)
Complete: 🔍
Cache ID: 216::103