Attackers exploit PAN-OS CVE-2026-0257 to deploy Qilin ransomware, with intrusions ranging from rapid encryption to data theft and double extortion.

The Qilin ransomware gang is exploiting a critical PAN-OS GlobalProtect authentication bypass flaw to breach victims' networks, according to cybersecurity company Arctic Wolf.

Attackers exploit PAN-OS CVE-2026-0257 to deploy Qilin ransomware, with intrusions ranging from rapid encryption to data theft and double extortion.