CVE-2026-20204
7.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Splunk | Splunk Enterprise | 10.2 < 10.2.1 | affected |
| Splunk | Splunk Enterprise | 10.0 < 10.0.5 | affected |
| Splunk | Splunk Enterprise | 9.4 < 9.4.10 | affected |
| Splunk | Splunk Enterprise | 9.3 < 9.3.11 | affected |
| Splunk | Splunk Cloud Platform | 10.4.2603 < Not Affected | affected |
| Splunk | Splunk Cloud Platform | 10.3.2512 < 10.3.2512.5 | affected |
| Splunk | Splunk Cloud Platform | 10.2.2510 < 10.2.2510.9 | affected |
| Splunk | Splunk Cloud Platform | 10.1.2507 < 10.1.2507.19 | affected |
| Splunk | Splunk Cloud Platform | 10.0.2503 < 10.0.2503.13 | affected |
| Splunk | Splunk Cloud Platform | 9.3.2411 < 9.3.2411.127 | affected |
Weaknesses
- CWE-377: Creating and using insecure temporary files can leave application and system data vulnerable to attack.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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