WorkOS security bulletin: October 30th, 2026 data security incident

WorkOS

This story is part of the morning brief Breaking: AI-agent attack hits GitBook as ARTEX claims WorkOS and Chainstack, plus a poisoned Claude Code extension. The reporting lives at the original source.

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Update, Nov 3 evening: GitBook and two more ARTEX victims disclose breaches. This morning's brief follows: ARTEX's 11-day campaign, a tampered Claude Code extension and abandoned MCP servers show the developer machine is the soft spot.