Palo Alto Networks PAN-OS Authentication Vulnerability Bypass Exploited in the Wild

Palo Alto Networks authentication bypass vulnerability, CVE-2026-0257, affecting PAN-OS and Prisma Access, is now being actively exploited in the wild, with CISA adding it to the Known Exploited Vulnerabilities (KEV) catalog on May 29, 2026. Palo Alto Networks published its security advisory on May 13, 2026, warning that CVE-2026-0257 enables a...

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