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.
CVE-2025-10193
This high-severity CVE scores 7.4 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 89% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EG Risk
- 33(Track)EG Risk 33/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity74% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 13%
- KEV
- Not listed
Published
September 11, 2025
Last Modified
April 15, 2026
References (3)
- 3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6https://github.com/neo4j-contrib/mcp-neo4j/releases/tag/mcp-neo4j-cypher-v0.4.0
- 3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6https://github.com/neo4j-contrib/mcp-neo4j/security/advisories/GHSA-vcqx-v2mg-7chx
- 3b236295-4ccd-4a1f-a1c1-a72eecc8d7b6https://neo4j.com/security/cve-2025-10193
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| mcp-neo4j-cypher | 0.2.2, 0.2.3, 0.2.4, 0.3.0, 0.3.1 | 0.4.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 176 total refreshes for this CVE.
- 2026-09-19 15:41 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-346
Frequently asked(5)
What is CVE-2025-10193?
When was CVE-2025-10193 disclosed?
Is CVE-2025-10193 actively exploited?
What is the CVSS score of CVE-2025-10193?
How do I remediate CVE-2025-10193?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-10193
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