CVE-2025-20381mediumCWE-863

CVE-2025-20381: medium-severity vulnerability in Splunk MCP Server

SPL commands allowlist controls bypass in Splunk MCP Server app through "run_splunk_query" MCP tool

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.4epss 0.2%
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Affected products
Splunk · Splunk MCP Server
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