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Thursday, 15 October 2026
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Cyber Security

Vulnerabilities, threats and incidents, security advisories from CERT-EU, ENISA, CISA and NCSC, AI security and regulation (NIS2, CRA).

#Palo Alto Networks — 1 article ✕

Cyber Security· Important

Four Exploited Flaws in PAN-OS, Cisco Email Gateway and Ahsay Backup Software Land on CISA's Must-Patch List

CISA confirmed real-world exploitation of four vulnerabilities and placed them on its Known Exploited Vulnerabilities Catalog. The affected products span network security and backup infrastructure: Palo Alto Networks PAN-OS, Cisco Secure Email Gateway, and two separate flaws in Ahsay's AhsayCBS backup platform. Under Binding Operational Directive 26-04, federal civilian agencies must now remediate these on an accelerated timeline, and CISA urges every organization to do the same.

CISA Advisories