CVE-2026-20163

Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise

Published Mar 11, 2026 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Description
In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Splunk splunk
CPEs cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
Vendors & Products Splunk splunk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Splunk
Splunk splunk Cloud Platform
Splunk splunk Enterprise
Vendors & Products Splunk
Splunk splunk Cloud Platform
Splunk splunk Enterprise
Type Values Removed Values Added
Description In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.
Title Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise
Weaknesses CWE-77
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Mar 12, 2026, 1:23 PM
Reserved
Oct 8, 2025, 11:59 AM
Status
Analyzed
Published
Mar 11, 2026, 5:16 PM
Modified
Jun 17, 2026, 10:17 AM