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Not yet scored Actively exploited Used in ransomware

CVE-2026-0257

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Description

Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.

Recommended action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA remediation due date for U.S. federal agencies: 1 Jun 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.