A critical vulnerability chain in Splunk Enterprise (CVE-2026-20253) allows unauthenticated remote code execution by exploiting a misconfigured PostgreSQL sidecar service. This flaw, with a CVSS score of 9.8, enables attackers to gain arbitrary file write access and execute commands, particularly impacting Splunk Enterprise on AWS deployments where the service is active by default. Cybersecurity professionals must prioritize immediate patching and monitor internal API access to mitigate this severe risk.
Read the full article at Cyber Security News
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