Vulnerability Report

CVE-2026-76404

RCE

Title: CVE-2026-76404

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-76404.

CWE Category CWE-502

Published Date Aug 19, 2026

Modified Date Aug 24, 2026

Exploit Status Not Found

Score 9.1 CVSS v3.1

Exploit Probability (EPSS)

0.75%

Vulnerability Summary

CVE-2026-76404: 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.

Impacted Vendors

splunk 1

Reference Links

https://advisory.splunk.com/advisories/SVD-2026-0808

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-76404 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

August 24, 2026 MODIFIED

Vulnerability data updated via NVD.

August 20, 2026 MODIFIED

Vulnerability data updated via NVD.

August 20, 2026 MODIFIED

Vulnerability data updated via NVD.

August 19, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.