SB2026031318 - Authenticated code execution in Splunk Enterprise
Published: March 13, 2026
Security Bulletin ID
SB2026031318
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command Injection (CVE-ID: CVE-2026-20163)
CWE-ID: CWE-77 - Command injection
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.