Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19)

Ravie Lakshmanan reports: Palo Alto Networks has disclosed that it’s continuing to observe exploitation of a now-patched security flaw impacting PAN-OS and Prisma Access by ransomware actors. The activity relates to CVE-2026-0257 (CVSS score: 7.8), an authentication bypass flaw that could be exploited by bad actors to set up unauthorized VPN connections. It was patched...

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