CVE-2026-20253
Splunk Enterprise Missing Authentication for Critical Function Vulnerability
Summary
Splunk Enterprise contains a missing authentication for critical function vulnerability which could allow an unauthenticated user to create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.
Affected software
Vendor: Splunk · Product: Enterprise
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
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Get your free reportSources: CISA KEV catalog · NVD · FIRST EPSS
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