CVE-2026-0257
Critical Palo Alto VPN bug now exploited by Qilin ransomware gang
The Qilin ransomware gang is exploiting a critical PAN-OS GlobalProtect authentication bypass flaw to breach victims’ networks, according to cybersecurity company Arctic Wolf. Palo Alto Networks addressed the vulnerability (CVE-2026-0257) on May 13 and warned that attackers had begun abusing it to breach corporate networks after Rapid7 reported observing it being exploited against numerous customers starting on […]
Palo Alto GlobalProtect VPN auth bypass flaw now exploited in attacks
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. The company fixed the CVE-2026-0257 flaw earlier this month, warning that it could be used to establish unauthorized VPN connections on the device. “GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® […]