SB2026031318 - Authenticated code execution in Splunk Enterprise
Published: March 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Command Injection (CVE-ID: CVE-2026-20163)
The vulnerability allows a remote user to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation when handling the "unarchive_cmd" parameter for the "/splunkd/__upload/indexing/preview" REST endpoint. A remote privileged user with "edit_cmd" capability can pass specially crafted data to the application and execute arbitrary commands.
Remediation
Install update from vendor's website.