CVE-2025-20381
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductSplunk MCP Server
PublishedDec 3, 2025
First seenDec 3, 2025
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- Splunk Splunk MCP Server0.2.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Splunk Splunk MCP Server | 0.2 ≤ v < 0.2.4 | 0.2.4 |
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