The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical authentication-bypass vulnerability in Palo Alto Networks’ PAN-OS to its Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. Tracked as CVE-2026-0257, the flaw enables attackers to circumvent security restrictions and establish unauthorized VPN connections, posing a significant threat to enterprise network perimeters. […]
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