Improper access control in Splunk Enterprise - CVE-2026-76310

 

Improper access control in Splunk Enterprise - CVE-2026-76310

Published: August 20, 2026


Vulnerability identifier: #VU144443
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76310
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 report REST API requests when downloading dispatch archives. A remote attacker can use an embedded report token to download a search job dispatch archive and recover session material.

Exploitation requires possession of an embedded report token.


Affected software

Splunk Enterprise

How to mitigate CVE-2026-76310

Install security update from vendor's website.

Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2

External References

Related Security Bulletins