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initial_access_vector:prompt_injection × latest_source_host:f5.com × limpar

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f5.com · exploit público high

F5 Labs: Persona Bullying jailbreak and LangChain serialization injection flaw (CVE-2025-68664) show AI attacks converging with classic exploits

F5 Labs' January 2026 AI security roundup covers two attack developments: the Persona Bullying jailbreak and a critical LangChain serialization injection vulnerability (CVE-2025-68664) reachable through prompt injection. Persona Bullying applies human social-engineering tactics such as gaslighting, ridicule and social pressure to LLMs con…

f5.com · medium

F5 Labs November 2025 AI Security Insights: Fallacy Failure jailbreak added to CASI, agentic browser and Claude code interpreter risks

F5 Labs published its November 2025 AI Security Insights, drawn from the Comprehensive AI Security Index (CASI) and Agentic Resistance Scoring (ARS). Anthropic models took the whole top tier of the CASI leaderboard (Claude Haiku 4.5 at 95.89, Claude Sonnet 4.5 at 95.86, Claude Sonnet 4 at 95.33), while the GPT-5 family slipped, with GPT-5…