
Hackers Exploit Palo Alto VPN Security Flaw in Network Attacks
Palo Alto Networks has alerted organizations about active exploitation of a critical authentication bypass vulnerability in its PAN-OS GlobalProtect VPN service, identified as CVE-2026-0257. Threat actors are leveraging this flaw to bypass login protections and gain unauthorized access to corporate networks. The vulnerability allows attackers to circumvent standard authentication mechanisms, potentially enabling them to infiltrate sensitive systems and data. Organizations using Palo Alto's GlobalProtect VPN are advised to apply security patches immediately and monitor their networks for suspicious access attempts. This active exploitation underscores the importance of timely security updates for enterprise infrastructure. Source: Palo Alto Networks.










