CVE-2025-20381 (GCVE-0-2025-20381)
Vulnerability from cvelistv5
Published
2025-12-03 17:00
Modified
2025-12-03 21:29
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-863 - The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
Summary
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.
References
Impacted products
Vendor Product Version
Splunk Splunk MCP Server Version: 0.2   < 0.2.4
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