New Fable 5 Is a "Mythos-Class" LLM Available to All, Anthropic Announces

2026-06-10T14:52:18Zfe59837e152ccdba348b1636b28ce68237a8d9829556d35112914f0951db5249
CVE-2026-11645ai coding adoptionai governanceai-powered cybercrimeanthropicauth bypasscheck pointchromeedr evasioneverest forms profable 5frontier aiinfosecurity europemeta instagram breachmicrosoft patch tuesdaymythosnorth korea UNK_DeadDropowasppatch managementphpbbprompt injectionwhatsapp nso spearphishingwordpress rcezero-day

What happened

Infosecurity Magazine roundup: Anthropic launched Mythos (frontier) and Fable 5 (guardrailed) LLMs and expanded access, while industry events (Infosecurity Europe) highlighted growing AI-driven risks — prompt injection, agentic AI governance gaps, and rise of AI-powered cybercrime tools. Multiple high-impact vulnerabilities were reported and exploited in the wild: Google patched Chrome RCE (CVE-2026-11645), Check Point’s remote/mobile access auth-bypass was observed in attacks, a critical phpBB authentication bypass can hijack accounts, and Everest Forms Pro RCE is being exploited to create WP

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
infosecurity_magazine
Record identifier
fe59837e152ccdba348b1636b28ce68237a8d9829556d35112914f0951db5249
Enrichment time
2026-06-10T14:52:18Z
AI-assisted enrichment
Yes

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