
⚠️ Splunk Enterprise Pre-Auth RCE Chain Exposes Database With Zero Authentication Source: cybersecuritynews.com/splunk-enterpr… A critical vulnerability chain in Splunk Enterprise has been disclosed, enabling unauthenticated attackers to achieve remote code execution (RCE) through a misconfigured PostgreSQL sidecar service. Tracked as CVE-2026-20253, the flaw has a CVSS score of 9.8 and affects Splunk Enterprise 10 and later. The issue originates from the PostgreSQL Sidecar Service, an internal component introduced in newer Splunk versions. While this service is not always enabled in on-premise deployments, it is active by default in Splunk Enterprise on AWS, making cloud deployments particularly exposed out of the box. #cybersecuritynews



















