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The week in security, in three takeaways.

A short selection from our daily vulnerability coverage, with primary sources, practical checks, and the limits of what is known.

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Week ending 2026-10-04

This week in security: NetScaler, Cisco SD-WAN, and Authlib

Three takeaways for security teams: investigate exposed gateways, prioritize SD-WAN updates, and check which signature-verification paths your applications actually use.

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Every finding here carries a source that was checked before it published. If something is wrong, write to admin@fullchain.sh — corrections are published on the day they affect.