Splunk Vulnerability CVE-2026-20253 Under Active Exploitation – Critical Patches Required22. June 2026CybersecurityA critical vulnerability in the PostgreSQL sidecar service of Splunk Enterprise (CVE-2026-20253, CVSS 9.8) is being actively exploited and requires immediate updates to version 10.2.4, 10.0.7, or 10.4.0. Share on: