Incorrect permission assignment for critical resource in Splunk Enterprise - CVE-2026-76261
Published: August 20, 2026
Vulnerability identifier: #VU144439
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76261
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose private keys.
The vulnerability exists due to an insecure default access control list in the Splunk Secure Gateway App Key Value Store REST API when private-key migration remains incomplete. A remote user can send REST API requests to read Spacebridge asymmetric private keys.
Only upgraded instances with incomplete private-key migration are affected.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76261
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2