Splunk security advisory (AV26-586) – Update 1

Serial number: AV26-586
Date: June 10, 2026
Update: June 18, 2026

On June 10, 2026, Splunk published security advisories to address vulnerabilities in the following products:

• Splunk SOAR – versions prior to 8.5.0
• Splunk Enterprise – multiple versions and platforms
• Splunk Cloud Platform – multiple versions and platforms

Update 1

On June 18, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-20253 to their Known Exploited Vulnerabilities (KEV) Database.

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

• Splunk Security Advisories
• CISA KEV: CVE-2026-20253