CVE-2026-0257 Details.
Palo Alto Networks PAN-OS - Authentication Bypass
Atlas does not check this one. Not a plain web check.
This weakness is not found through ordinary web pages. It needs a different kind of connection to the service. Atlas only runs plain web, DNS and TLS checks, so it does not run this one.
About CVE-2026-0257. What It Means.
Palo Alto Networks PAN-OS contains an authentication bypass caused by flaws in the GlobalProtect portal and gateway, letting attackers establish unauthorized VPN connections, exploit requires network access to the portal or gateway.
Affected Product. What Is Hit.
- Vendor
- paloaltonetworks
- Product
- Palo Alto PAN-OS
FAQ
Common Questions.
Palo Alto Networks PAN-OS - Authentication Bypass. Palo Alto Networks PAN-OS contains an authentication bypass caused by flaws in the GlobalProtect portal and gateway, letting attackers establish unauthorized VPN connections, exploit requires network access to the portal or gateway.
No. This weakness is not found through ordinary web pages. It needs a different kind of connection to the service. Atlas only runs plain web, DNS and TLS checks, so it does not run this one. The facts about CVE-2026-0257 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
Yes. CVE-2026-0257 is on the CISA Known Exploited Vulnerabilities list, which means attackers have used it against real targets.
Update Palo Alto PAN-OS to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-0257. Atlas does not run a check for it, so nothing here says whether a particular site is affected.