CVE-2025-56404

Name: CVE-2025-56404
Creator: NVD / NIST
Published: 2025-09-10T14:15:39.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2025-56404 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.32%

23.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mariadb	Model Context Protocol	0.1.0

References

https://github.com/August829/CVEP/issues/2Issue Tracking
https://github.com/MariaDB/mcp/issues/17Exploit, Issue Tracking

Timeline

Published: Sep 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is 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.

How severe is CVE-2025-56404?

CVE-2025-56404 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2025-56404?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-56404?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST