AsyncOS 15.5.5-014

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1. 15 Oct
   Cisco patches actively exploited Secure Email Gateway zero-day CVE-2026-76519

   Cisco released patches after discovering and observing active exploitation of a critical path traversal vulnerability in Secure Email Gateway's AMP File Reputation feature. The flaw, CVE-2026-76519, lets a sender with no authentication write files and potentially execute root commands on vulnerable appliances and is fixed by Content Scanner Tools 25.3.0.5525 or later and specific AsyncOS builds.

   Security · 2 sources

   

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