GPT-5.6-Cyber refuses security researchers’ requests far less often

Help Net Security coverage highlights active exploitation of CVE-2026-18577 in N-able N-central, a Metabase zero-day data breach, a novel private-APN entry vector against a Polish energy plant, newly discovered 4G/5G software flaws including a session-hijacking issue, and emerging frontier AI models designed for advanced cybersecurity research. The most urgent item is ongoing exploitation of CVE-2026-18577 requiring N-central Hotfix 2; the broader set reflects significant risks to managed service providers, telecommunications, energy OT, and customer data.