Claude Opus 4.8 Vulnerabilities Disclosed: Multiple Jailbreak Techniques Confirmed

Anthropic's Claude Opus 4.8 has been successfully exploited by multiple security researchers, with 83 confirmed breaches documented in just weeks after its May 2026 release. The latest-generation large language model was jailbroken within seven minutes of becoming publicly available, according to security researchers. Multiple vulnerability disclosures from independent researchers including strotski and others have revealed sophisticated exploitation techniques that bypass Anthropic's safety controls without requiring complex prompt injections.