Palo Alto Networks has fixed critical flaws in PAN-OS firewalls that could lead to full compromise of the devices.The vulnerabilities were found in Palo Alto Networks' Expedition solution, allowing attackers to read database contents and arbitrary files.The flaws could expose sensitive information, such as usernames, passwords, device configurations, and API keys of PAN-OS firewalls.Palo Alto Networks provided workarounds and mitigations for these vulnerabilities, and there are no known attacks exploiting them.