7.5

CVE-2025-56404: mariadb model_context_protocol Improper Input Validation

CVSS: 7.5v3.1HighAnalyzed
Published 10-09-2025Last modified 10-09-2025
Open JSON

Vulnerability summary

CVE-2025-56404 is a high (CVSS 7.5) Improper Input Validation vulnerability in mariadb model_context_protocol. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 10-09-2025
    PublishedVulnerability first disclosed.
  2. 10-09-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Mcp

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Mariadb1 product

1 vendor · 1 product

References

2 links