CVE-2025-10193 json
Neo4j Cypher MCP server is vulnerable to DNS rebinding attacks
published 2025-09-11 13 mo ago modified 2026-07-07 4 mo ago also GHSA-vcqx-v2mg-7chx , PYSEC-2026-1620 , EUVD-2025-28908
- cvss
- 7.4
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi mcp-neo4j-cypher 0.4.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 13 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.4 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/AU:N/V:D/RE:L/U:Amber |
| CNA | 4.0 | 7.4 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:X/V:D/RE:L/U:Amber |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mcp-neo4j-cypher | >=0.2.2, <0.4.0 |
0.4.0 |
Affected products
- neo4j neo4j-cypher MCP server
Classification
- Weakness
-
- CWE-346 Origin Validation Error
References
-
github.com
/neo4j-contrib/mcp-neo4j/pull/165
web
-
github.com
/neo4j-contrib/mcp-neo4j/commit/5b9fbdda6401668d7aa006daf7e644805c067c15
web
-
neo4j.com
/security/cve-2025-10193
vendor-advisory, web
-
github.com
/neo4j-contrib/mcp-neo4j/security/advisories/GHSA-vcqx-v2mg-7chx
third-party-advisory, web
-
github.com
/neo4j-contrib/mcp-neo4j/releases/tag/mcp-neo4j-cypher-v0.4.0
release-notes, web
-
nvd.nist.gov
/vuln/detail/CVE-2025-10193
advisory
-
github.com
/neo4j-contrib/mcp-neo4j
package
-
pypi.org
/project/mcp-neo4j-cypher
package
-
github.com
/advisories/GHSA-vcqx-v2mg-7chx
advisory
Sources
- CVE List CVE-2025-10193
- GitHub Advisory GHSA-vcqx-v2mg-7chx
- NVD CVE-2025-10193
- OSV PYSEC-2026-1620
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