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1 story tagged critical-cve.

Splunk Enterprise flaw CVE-2026-20253 response timeline showing disclosure at day 0 on June 10, public technical writeup at day 2 on June 12, exploitation warning at day 8 on June 18, and the CISA remediation deadline at day 11 on June 21.

Splunk Enterprise flaw turns logs into attack surface

Splunk Enterprise flaw CVE-2026-20253 is under active exploitation. Patch by June 21 or disable the PostgreSQL sidecar safely.

Lars Cornelissen · Jun 20, 2026