A vulnerability marked as problematic has been reported in Palo Alto Chronosphere Chronocollector up to 0.115.x . This issue affects some unknown processing of the component Collector Service . Performing a manipulation results in exposure of sensitive system information to an unauthorized control sphere. This vulnerability is known as CVE-2026-0239 . Access to the local network is required for this attack. No exploit is available. It is suggested to upgrade the affected component.