Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Splunk | Splunk MCP Server app | affected |
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No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Splunk | Splunk Mcp Server App |
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Vendor Solution
Upgrade each affected Splunk app or add-on to the applicable fixed version listed in Product Status.
Vendor Workaround
Turn off or remove the Splunk MCP Server app. For more information see [Manage app and add-on objects](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/meet-splunk-apps/manage-app-and-add-on-objects) in the Splunk documentation.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.749% probability within 30 days)
| Link | Providers |
|---|---|
| https://advisory.splunk.com/advisories/SVD-2026-0808 |
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Splunk model Context Protocol Server
|
|
| CPEs | cpe:2.3:a:splunk:model_context_protocol_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Splunk model Context Protocol Server
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Splunk
Splunk splunk Mcp Server App |
|
| Vendors & Products |
Splunk
Splunk splunk Mcp Server App |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app | |
| Weaknesses | CWE-502 | |
| References |
| |
| Metrics |
cvssV3_1
|