Missing Authorization in Splunk Enterprise - CVE-2026-76348
Published: August 20, 2026
Vulnerability identifier: #VU144480
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76348
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to missing authorization in Search Head Cluster member control endpoints when applying read-only authorization to state-changing actions. A remote privileged user can send a read request to member control endpoints to change cluster state.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76348
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2