{"data":{"id":"80ece893-1bab-41ea-97db-6baed866f94f","title":"AI Safety Newsletter #63: California’s SB-53 Passes the Legislature","summary":"California's legislature passed SB-53, the Transparency in Frontier Artificial Intelligence Act, on September 17th and sent it to Governor Gavin Newsom. The bill would require frontier developers to publish frontier AI frameworks, transparency reports and catastrophic risk assessments, and to report critical safety incidents. If signed, California would become the first US state to regulate catastrophic risk.","solution":"N/A -- no mitigation discussed in source.","labels":["policy","safety"],"sourceUrl":"https://newsletter.safe.ai/p/ai-safety-newsletter-63-californias","publishedAt":"2025-09-24T16:10:49.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"regulatory","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["OpenAI","Anthropic","Google","Meta","Microsoft","Amazon"],"affectedVendorsRaw":[],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":null,"fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":null,"aiComponentTargeted":null,"llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null}}