Improper access control in Splunk Enterprise - CVE-2026-76312
Published: August 20, 2026
Vulnerability identifier: #VU144445
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-2026-76312
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to access data and affect system integrity.
The vulnerability exists due to improper access control in embedded reports when enforcing the dispatch archive authorization boundary. A remote attacker can read the HTML source of a page that embeds a Splunk report to use exposed session material.
Exploitation requires access to the HTML source of a page that embeds a Splunk report.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76312
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2