Splunk Enterprise and Cloud Platform
CVE-2026-20165: Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise
In Splunk Enterprise versions below 10.2.1, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.7, 10.1.2507.17, 10.0.2503.12, and 9.3.2411.124, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve sensitive information by inspecting the job's search log due to improper access control in the MongoClient logging channel.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Splunk Enterprise 10.2 | 10.2.1 or later |
| Splunk Enterprise 10.0 | 10.0.4 or later |
| Splunk Enterprise 9.4 | 9.4.9 or later |
| Splunk Enterprise 9.3 | 9.3.10 or later |
| Splunk Cloud Platform 10.2 | 10.2.2510.7 or later |
| Splunk Cloud Platform 10.1 | 10.1.2507.17 or later |
| Splunk Cloud Platform 10.0 | 10.0.2503.12 or later |
| Splunk Cloud Platform 9.3 | 9.3.2411.124 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise versions below 10.2.1, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.7, 10.1.2507.17, 10.0.2503.12, and 9.3.2411.124, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve sensitive information by inspecting the job's search log due to improper access control in the MongoClient logging channel.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.