CVE-2025-56404

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p27

Published

Sep 10, 2025 (Sep 10, 2025)

Modified

Jun 17, 2026

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.

Vendors: mariadb
Products: model context protocol
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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