CVE-2026-20163

Name: CVE-2026-20163
Creator: NVD / NIST
Published: 2026-03-11T17:16:56.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2026-20163 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.46%

36.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Splunk	Splunk	>= 9.3.0, < 9.3.10
Splunk	Splunk	>= 9.4.0, < 9.4.9
Splunk	Splunk	>= 10.0.0, < 10.0.4
Splunk	Splunk Cloud Platform	>= 9.3.2411, < 9.3.2411.124
Splunk	Splunk Cloud Platform	>= 10.0.2503, < 10.0.2503.12
Splunk	Splunk Cloud Platform	>= 10.1.2507, < 10.1.2507.16
Splunk	Splunk Cloud Platform	>= 10.2.2510, < 10.2.2510.5

References

https://advisory.splunk.com/advisories/SVD-2026-0302Vendor Advisory

Timeline

Published: Mar 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-20163?

How severe is CVE-2026-20163?

CVE-2026-20163 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2026-20163?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20163?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST