[tannerlinsley]

Publish the TanStack Start security update for CVE-2026-102989 with exact patched versions, upgrade and redeploy guidance, the published advisory link, and thanks to Lovable for helping discover and fix the issue.

Validation: pnpm test passed, including TypeScript, lint, and 540 passing unit tests (3 skipped).

Summary by CodeRabbit

• Documentation
  • Added a security advisory for CVE-2026-102989, outlining affected versions, patched versions, and recommended update and redeployment steps.

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• src/blog/tanstack-start-security-update-cve-2026-102989.md

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	tanstack-com	a90c06a	Commit Preview URL Branch Preview URL	Sep 30 2026, 06:11 PM