TanStack CVE-2026-102989 (CVSS 9.3) Reflected XSS Hits Ecosystem With 98M Monthly Downloads Vulnerability Report TanStack CVE-2026-102989 (CVSS 9.3) Reflected XSS Hits Ecosystem With 98M Monthly Downloads Do Son October 14, 2026 0 TL;DR TanStack has fixed CVE-2026-102989, an unauthenticated reflected XSS flaw rated CVSS 9.3. This TanStack Start vulnerability... Read More Read more about TanStack CVE-2026-102989 (CVSS 9.3) Reflected XSS Hits Ecosystem With 98M Monthly Downloads