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v8.6.19

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Storybook·Oct 12, 2026, 07:06 PMFixSecurity-relevantAI-assisted summary

Summary

Tighten security by restricting preview postMessage to known origins, blocking iframe embedding from non‑localhost, and adding host/origin validation warnings.
Separate manager and preview roles on the dev server channel and enforce project‑scoped paths, component export names, and identifier validation for story names and arg keys.
Vitest addon now disables browser file writes and command execution for safer test environments.

securitybugfixfeaturesource healthy

Official source Last checked Oct 19, 2026, 5:00 PM

Safe to upgrade.

Older than 72 h, no known advisories, no follow-up hotfix, license and provenance unchanged.

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AI-assisted summarysource healthyLast checked Oct 19, 2026, 5:00 PM

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