PALO ALTO Security Advisory
Published Date: May 13, 2026
CVE: CVE-2026-0239
Advisory Summary
â›” Medium Severity Vulnerability Identified in Chronosphere Chronocollector
Palo Alto Networks has disclosed a medium severity information disclosure vulnerability, tracked as CVE-2026-0239, affecting the Chronocollector component of Chronosphere. This vulnerability could potentially expose sensitive data, impacting organizations relying on this infrastructure monitoring solution. IT infrastructure and data center professionals should evaluate their deployments of Chronosphere services immediately and apply the recommended patches and mitigations provided by Palo Alto to safeguard data confidentiality. Continuous monitoring and prompt patch management are crucial to minimize exploitation risks and maintain robust security postures.
Stay vigilant and prioritize updating Chronocollector to prevent unintended information leakage.
Reference: Vendor Advisory