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CVE-2025-20381

Splunk MCP Server

5.4
Severity
Medium
Published
December 3, 2025
Last modified
October 18, 2026

In Splunk MCP Server app versions below 0.2.4, a user with access to the "run_splunk_query" Model Context Protocol (MCP) tool could bypass the SPL command allowlist controls in MCP by embedding SPL commands as sub-searches, leading to unauthorized actions beyond the intended MCP restrictions.

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

Weakness

References

CVE-2025-20381 on NVD

Listed in

MediumMCP serversMissing authorization

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