CVE-2026-20165

Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise

State: Published
Severity: 6.3 Medium
Published: Mar 11, 2026
Updated: Mar 12, 2026
Reserved: Oct 8, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	cisco

Weaknesses

CWE-532 Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Affected Products

Product	Versions
Splunk EnterpriseSplunk	10.2 to before 10.2.1Affected 10.0 to before 10.0.4Affected 9.4 to before 9.4.9Affected 9.3 to before 9.3.10Affected
Splunk Cloud PlatformSplunk	10.2.2510 to before 10.2.2510.7Affected 10.1.2507 to before 10.1.2507.17Affected 10.0.2503 to before 10.0.2503.12Affected 9.3.2411 to before 9.3.2411.124Affected

References

https://advisory.splunk.com/advisories/SVD-2026-0304

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