CVE-2026-20253

Splunk Enterprise Missing Authentication for Critical Function Vulnerability
96.9%
EPSS
100%
Percentile
Yes
Known exploited
0
APAC news · 90d
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.

Vendor
Splunk
Product
Enterprise
Added to KEV
Jun 18, 2026
Remediation due
Jun 21, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-306
EPSS
96.9% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded