Input validation error in Splunk Enterprise - CVE-2026-76330
Published: August 20, 2026
Vulnerability identifier: #VU144463
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-76330
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary SPL commands.
The vulnerability exists due to improper input validation in Monitoring Console forwarder filters when building forwarder dashboard searches. A remote attacker can trick a user into opening a crafted Monitoring Console link to run attacker-controlled SPL with that user's permissions.
The unauthenticated user should not be able to exploit the vulnerability at will.
Affected software
Splunk Enterprise
How to mitigate CVE-2026-76330
Install security update from vendor's website.
Splunk Enterprise - addressed in versions 9.4.14, 10.0.9, 10.2.6, 10.4.2