GlobalProtect
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Palo Alto PAN-OS flaw under active exploitation as limited attacks reported
Palo Alto Networks said an authentication bypass in PAN-OS and Prisma Access is under active exploitation, with limited attempts seen against unpatched devices. The flaw can let attackers establish unauthorized VPN connections.
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Palo Alto fixes GlobalProtect DoS flaw tracked as CVE-2026-0227
Palo Alto issued updates for a high-severity GlobalProtect denial-of-service flaw CVE-2026-0227 with CVSS 7.7 on Jan 15, 2026. A proof-of-concept exists and no workarounds are available.
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Researchers report surge in scans targeting Palo Alto Networks login portals
GreyNoise reported a roughly 500% rise in IP addresses scanning Palo Alto Networks GlobalProtect and PAN-OS profiles, peaking at over 1,285 addresses on Oct. 3; GreyNoise classed most IPs as suspicious and also flagged separate Grafana exploitation attempts tied to CVE-2021-43798.
