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CVE-2026-20163: splunk Command Injection

CVSS: 8.0v3.1HighAnalyzed
Published 11-03-2026Last modified 12-03-2026
Open JSON

Vulnerability summary

CVE-2026-20163 is a high (CVSS 8.0) Command Injection vulnerability in splunk. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.1% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-03-2026
    PublishedVulnerability first disclosed.
  2. 12-03-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.02 pp

From 0.46% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Splunk3 products
  • splunk≥ 9.3.0, < 9.3.10 | ≥ 9.4.0, < 9.4.9 | ≥ 10.0.0, < 10.0.4
  • splunk_cloud_platform≥ 9.3.2411, < 9.3.2411.124 | ≥ 10.0.2503, < 10.0.2503.12 | ≥ 10.1.2507, < 10.1.2507.16 | ≥ 10.2.2510, < 10.2.2510.5
  • splunk enterprise≥ 10.0, < 10.0.4 | ≥ 9.4, < 9.4.9 | ≥ 9.3, < 9.3.10

1 vendor · 3 products

References

1 links