CVE-2026-76404 — Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app
In Splunk MCP Server app versions below 1.2.1, a user who holds the "admin" Splunk role could execute arbitrary commands on the underlying operating system. The vulnerability is…
Published: 2026-08-19 · CVSS: 9.1 · CVSS 3.1
In Splunk MCP Server app versions below 1.2.1, a user who holds the "admin" Splunk role could execute arbitrary commands on the underlying operating system. The vulnerability is possible because of missing input validation in the app's credential management component, which deserializes stored data without checking whether the content is of the expected type.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7