Missing Authorization in Splunk Enterprise - CVE-2026-76340
Published: August 20, 2026
Vulnerability identifier: #VU144472
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76340
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to affect system integrity.
The vulnerability exists due to missing authorization in the REST API token-key reload action when reloading token-signing keys. A remote attacker can send REST API requests to cause Splunk Enterprise to reload token-signing keys.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76340
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2