Vulnerability · Published Mar 11, 2026 · Assigned by cisco
CVE-2026-20165Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise
Medium 6.3
In plain English
A medium-severity sensitive data in logs in Splunk Cloud Platform from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise | 10.2 – before 10.2.110.0 – before 10.0.49.4 – before 9.4.99.3 – before 9.3.10 |
| Splunk | Splunk Cloud Platform | 10.2.2510 – before 10.2.2510.710.1.2507 – before 10.1.2507.1710.0.2503 – before 10.0.2503.129.3.2411 – before 9.3.2411.124 |
Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L