SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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.

HIGH 7.5EPSS 0.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.34% probability · 27th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
mariadb/model context protocol
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.