U.S. CISA adds a flaw in Palo Alto Networks PAN-OS to its Known Exploited Vulnerabilities catalog

CISA has added a critical buffer overflow flaw in Palo Alto Networks PAN-OS, tracked as CVE-2026-0300, to its Known Exploited Vulnerabilities catalog. This vulnerability allows unauthenticated attackers to execute arbitrary code on affected firewalls, posing significant risks especially when the User-ID portal is exposed to the internet. Developers and tech professionals should urgently review their PAN-OS versions and apply updates by the specified deadlines to mitigate potential exploitation.

Read the full article at Security Affairs

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