Description
In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the `$SPLUNK_HOME/var/run/splunk/apptemp` directory due to improper handling and insufficient isolation of temporary files within the `apptemp` directory.
Published: 2026-04-15
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Fri, 17 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Splunk splunk
CPEs cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
Vendors & Products Splunk splunk

Wed, 15 Apr 2026 19:00:00 +0000

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

Wed, 15 Apr 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 15 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
Description In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the `$SPLUNK_HOME/var/run/splunk/apptemp` directory due to improper handling and insufficient isolation of temporary files within the `apptemp` directory.
Title Improper Handling and Insufficient Isolation of Specific Temporary Files in Splunk Enterprise
Weaknesses CWE-377
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H'}


Subscriptions

Splunk Splunk Splunk Cloud Platform Splunk Enterprise
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-04-16T03:55:29.794Z

Reserved: 2025-10-08T11:59:15.397Z

Link: CVE-2026-20204

cve-icon Vulnrichment

Updated: 2026-04-15T17:46:02.374Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-15T16:16:34.490

Modified: 2026-04-17T19:04:00.080

Link: CVE-2026-20204

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T22:30:16Z

Weaknesses