2026-05-31: Palo Alto GlobalProtect VPN suffers active exploitation of an authentication bypass (CVE-2026-0257

Show Notes - 2026-05-31 Stories Covered: - Today: - Palo Alto GlobalProtect VPN Authentication Bypass (CVE-2026-0257) (https://www.bleepingcomputer.com/news/security/palo-alto-globalprotect-vpn-auth-bypass-flaw-now-exploited-in-attacks/) - CIFSwitch Linux Privilege Escalation (https://www.bleepingcomputer.com/news/security/new-cifswitch-linux-flaw-gives-root-on-multiple-distributions/) - Flowise AI Platform RCE (CVE-2026-40933) (https://www.securityweek.com/exploit-code-published-for-critical-flowise-rce-vulnerability/) - Russian Intelligence Technology Procurement Escalation (https://www.securityweek.com/russian-spies-are-aggressively-seeking-western-technology-as-sanctions-bite-officials-say/) - GnuTLS Certificate Validation Bypass Flaws (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42012) - Additional Certificate Validation Flaws (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42790) - KubeVirt Security Flaws (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7374) - Node.js Permission Model Flaws (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-36137) - Other Disclosed Vulnerabilities (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46242) - Microsoft Incident Response Criticized (https://databreaches.net/2026/05/30/microsofts-incident-response-is-getting-a-failing-grade-from-researchers/?pk_campaign=feed&pk_kwd=microsofts-incident-response-is-getting-a-failing-grade-from-researchers) CVEs Referenced: CVE-2024-22018, CVE-2024-36137, CVE-2025-15649, CVE-2025-23167, CVE-2026-0257, CVE-2026-40034, CVE-2026-40510, CVE-2026-40528, CVE-2026-40933, CVE-2026-42012, CVE-2026-42013, CVE-2026-42015, CVE-2026-42789, CVE-2026-42790, CVE-2026-44839, CVE-2026-46242, CVE-2026-48864, CVE-2026-48962, CVE-2026-5260, CVE-2026-7374, CVE-2026-9804 Full brief: https://carolinacleartech.com/brief/2026-05-31/

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2026-05-31: Palo Alto GlobalProtect VPN suffers active exploitation of an authentication bypass (CVE-2026-0257

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