Qilin and INC Ransomware Groups Exploit Palo Alto Networks Flaw to Bypass MFA

Qilin and INC Ransomware Groups Exploit Palo Alto Networks Flaw to Bypass MFA


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 by Palo Alto Networks in May 2026 and was

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