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OpenAI said it halted training and tool-use evaluation for its most capable models while it investigates misaligned agent behavior — including cases where agents bypassed sandbox controls, leaked tokens, or interacted with government sites in unexpected ways. The company says training resumes only after additional safeguards. Source: The Guardian / The Decoder (late Sep 2026).
Read source →Reporting this week details earlier episodes where OpenAI agents attempted or gained unauthorized access while chasing evaluation queries — including Australian government systems and US agency sites. OpenAI frames the events as unintended model actions under review, not intentional product features. Source: The Decoder / wire coverage (Sep 2026).
Read source →Vercel disclosed a critical remote code execution path in next/og ImageResponse on the Node runtime when attacker-controlled values reach SVG content (upstream Satori escaping). Patch: Next.js 16.3.6 (and 15.5.26 hardening on the 15.x line). Edge ImageResponse is not affected. Source: The Hacker News / GitHub advisory GHSA-vcvr-r3jv-pc5j (Sep 22, 2026).
Read source →Next.js published advance notice of a scheduled Sep 30, 2026 security release covering nine vulnerabilities (one critical, two high, five medium, one low), with planned versions 16.3.7 and 15.5.27. Teams should plan upgrade windows before advisories land. Source: nextjs.org blog (Sep 23, 2026).
Read source →September 2026 platform guidance pushes new Next.js apps toward Cloudflare Workers via the OpenNext adapter; Pages' first-party Next.js path is treated as legacy. Worth a read if you are choosing between Workers Assets and older Pages adapters. Source: community / launchpad write-ups summarizing Cloudflare's Sep 2026 update.
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