# CVE-2026-20253: A Splunk Enterprise bug is being used in attacks

Status: Being used now (CISA KEV, added 2026-06-18)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Splunk Enterprise (CVE-2026-20253) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-20253. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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.

## Sources
- https://advisory.splunk.com/advisories/SVD-2026-0603
- https://nvd.nist.gov/vuln/detail/CVE-2026-20253
- https://nvd.nist.gov/vuln/detail/CVE-2026-20253

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.
