CVE-2026-20253
Splunk Enterprise Missing Authentication for Critical Function Vulnerability
⚠ KEV
Description
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.
How to fix CVE-2026-20253
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2026-20253 being exploited?
Yes — CVE-2026-20253 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.