CVE-2026-76265: Splunk Enterprise 10.4 to before 10.4.3, 10.2 to before 10.2.7, 10.0 to before 10.0.10, 9.4 to before 9.4.15; +1 more…

Affected technology

Splunk Enterprise · 10.4 to before 10.4.3, 10.2 to before 10.2.7, 10.0 to before 10.0.10, 9.4 to before 9.4.15
Splunk

Splunk Secure Gateway · 3.10 to before 3.10.11, 3.9 to before 3.9.25, 3.8 to before 3.8.72
Splunk

Description’s affected range: versions below 10.4.3

Component: REST API

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The user could cause Splunk Secure Gateway to sign attacker-controlled payloads. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none.