What is CVE-2025-56404?

CVE-2025-56404 is a high-severity vulnerability in Mariadb Model_context_protocol, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-09-10.

How severe is CVE-2025-56404?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-56404 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Mariadb Model_context_protocol

CVE-2025-56404

An issue was discovered in MariaDB MCP 0.1.0 allowing attackers to gain sensitive information via the SSE service as the SSE service lacks user validation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (23.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mariadb Model_context_protocol — versions 0.1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Issue Tracking)
cve@mitre.org (Issue Tracking)

Frequently asked questions

What is CVE-2025-56404?: CVE-2025-56404 is a high-severity vulnerability in Mariadb Model_context_protocol, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-09-10.
How severe is CVE-2025-56404?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-56404 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.