Splunk Enterprise/Cloud Platform REST API Endpoint conf-passwords Password information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in Splunk Enterprise and Cloud Platform. This affects an unknown function of the file /splunkd/__raw/servicesNS/-/-/configs/conf-passwords of the component REST API Endpoint. Performing a manipulation of the argument Password results in information disclosure. This vulnerability is reported as CVE-2026-20164. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Splunk Enterprise and Cloud Platform (affected version not known). It has been classified as problematic. This affects some unknown functionality of the file /splunkd/__raw/servicesNS/-/-/configs/conf-passwords of the component REST API Endpoint. The manipulation of the argument password with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

In Splunk Enterprise versions below 10.2.0, 10.0.3, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, 10.0.2503.11, and 9.3.2411.123, a low-privileged user that does not hold the "admin" or "power" Splunk roles could access the `/splunkd/__raw/servicesNS/-/-/configs/conf-passwords` REST API endpoint, which exposes the hashed or plaintext password values that are stored in the passwords.conf configuration file due to improper access control. This vulnerability could allow for the unauthorized disclosure of sensitive credentials.

The advisory is shared at advisory.splunk.com. This vulnerability is uniquely identified as CVE-2026-20164 since 10/08/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 301873 (Splunk Enterprise 9.3.0 < 9.3.10, 9.4.0 < 9.4.9, 10.0.0 < 10.0.3 (SVD-2026-0303)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (301873). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• Cloud Platform
• Enterprise

License

• commercial

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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