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6 May 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • High 8.7
    CVE-2026-0300 Exploited Public exploit EPSS 42%

    PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal

    A buffer overflow vulnerability in the User-ID™ Authentication Portal (aka Captive Portal) service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls…

    Palo Alto Networks PAN-OS Prisma Access Cloud NGFW Network devices
    KEV May 6, 2026