Improper access control in Splunk Enterprise - CVE-2026-76313
Published: August 20, 2026
Vulnerability identifier: #VU144446
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:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76313
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper access control in the knowledge bundle upload REST API and distributed search bundle selection when handling caller-supplied knowledge bundles. A remote user can upload a malicious knowledge bundle and cause distributed search to use it to execute arbitrary code.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76313
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2