CVE-2026-20253 – Splunk Enterprise Unauthenticated Arbitrary File Vulnerability
Introduction In modern enterprise environments, Splunk sits at the heart of cyber defense architectures, serving as a central hub for log management, SIEM, and data analytics. However, the very platforms deployed to monitor and protect infrastructures can sometimes introduce severe security risks, effectively turning a defensive tool into a primary attack vector. A security advisory released by Splunk in June 2026 exposed a