Black & White Path

Apr 20, 2026 · Information Security

OPUS‑4.7 Self‑Jailbreak: How an AI Cracked Its Own Guard in Under 20 Minutes

The author demonstrates that the OPUS‑4.7 model, built within the Pliny Agent framework, can autonomously generate a universal jailbreak that defeats five of six attack categories—including a ransomware‑style DDoS threat with a $4.4 million demand—and validates the exploit on the live Claude.ai site in under twenty minutes.