Authorization bypass through user-controlled key in Splunk Enterprise - CVE-2026-76263
Published: August 20, 2026
Vulnerability identifier: #VU144441
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76263
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify data belonging to other users.
The vulnerability exists due to broken object level authorization in the data management orchestrator when deleting SPL2 modules. A remote user can send requests to delete SPL2 modules belonging to other users.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76263
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2