CVE-2026-76404
CVE-2026-76404: 1 tracked advisory record across Splunk. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Splunk
1 advisory- Advisory severityCritical9.1
Critical [CVE-2026-76404] Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server app
CVE-2026-76404Source published Source updated
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.
- Affected products in this advisory
- Splunk MCP Server app
- Source-reported affected versions
- Splunk MCP Server app 1.2 before 1.2.1
- Source-reported fixed versions
- 1.2.1
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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