Claude Mythos Found a 17-Year-Old Vulnerability in FreeBSD autonomously. Project Glasswing is what happens next. Press enter or click to view image in full size Source: Anthropic 📬 This article was first published on The Nov Tech newsletter 🔗 Subscribe for exclusive analysis. Medium non-members can read over there for free. In late March 2026, thousands of unpublished assets tied to Anthropic’s documentation platform were unintentionally left in a publicly accessible data store . Draft blog posts, images, and internal documents. All indexed, all readable, until access was revoked a few hours later. What those documents described was a model that Anthropic had been calling Claude Mythos, and the surrounding language was not the careful corporate vocabulary that usually accompanies an AI launch.…