Improper access control in Splunk Enterprise - CVE-2026-76299

 

Improper access control in Splunk Enterprise - CVE-2026-76299

Published: October 22, 2026


Vulnerability identifier: #VU156984
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76299
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to potentially access resources or perform operations without proper authorization.

The vulnerability exists due to improper access control in Splunk Enterprise when enforcing access restrictions. A remote user can potentially bypass those restrictions to access resources or perform operations that should be prohibited.


Affected software

Splunk Enterprise

How to mitigate CVE-2026-76299

Install security update from vendor's website.

Splunk Enterprise - addressed in versions 9.4.16, 10.0.11, 10.2.8, 10.4.4

External References

Related Security Bulletins