Daniel MarshA critical authentication bypass flaw (CVE-2026-0257) in Palo Alto GlobalProtect VPN is now actively exploited, despite an initial 'Medium' rating. Attackers are forging authentication override cookies to gain internal network access, a stark reminder that initial vulnerability scores often miss the real-world picture. Rapid7 observed exploitation weeks before official warnings.
#cybersecurity #paloaltonetworks #globalprotectvpn
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