{"data":{"id":"8d88e785-24c5-44e0-938a-d4624765446e","title":"llm-anthropic 0.26","summary":"The llm-anthropic version 0.26 update adds three new Claude AI models (Fable 5, Sonnet 5, and Opus 5) and introduces server-side tools for web search, web fetching, and code execution through a command-line interface (-T). The update also changes how the AI's internal reasoning process works, now displaying it as typed events (individual data chunks sent one at a time) and simplifying reasoning controls with a new thinking_effort parameter.","solution":"N/A -- no mitigation discussed in source.","labels":["industry"],"sourceUrl":"https://simonwillison.net/2026/Aug/4/llm-anthropic/#atom-everything","publishedAt":"2026-08-04T22:00:58.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedVendors":["Anthropic"],"affectedVendorsRaw":["Anthropic","Claude","claude-fable-5","claude-sonnet-5","claude-opus-5"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-08-04T22:00:58.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":null,"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null}}