Palo Alto Networks PAN-OS
CriticalNetworkCVE-2026-0257
Actively exploited. Listed in CISA’s Known Exploited Vulnerabilities catalog: exploitation is observed, not theoretical.
What to do
Check the vendor advisory for the fixed version. This flaw is being actively exploited: patch now.
An authentication bypass flaw affects Palo Alto Networks PAN-OS. Apply the vendor’s patch. It is being actively exploited: patch now.
What the flaw allows: Restricted access can be obtained without valid credentials.
- Ecosystem
- Network appliance
- Class
- Authentication bypass
- Published on
- May 29, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.