Improper access control in Splunk Enterprise - CVE-2026-20164

 

Improper access control in Splunk Enterprise - CVE-2026-20164

Published: March 13, 2026


Vulnerability identifier: #VU123985
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2026-20164
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A remote user can 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


Affected software

Splunk Enterprise

How to mitigate CVE-2026-20164

Install updates from vendor's website.

Splunk Enterprise - addressed in versions 9.3.10, 9.4.9, 10.0.3, 10.2.0

External References

Related Security Bulletins