Is CVE-2026-102989 in the CISA Known Exploited Vulnerabilities catalog?

CVE-2026-102989 is not currently listed in the CISA KEV catalog.

Vulnerability intelligence

CVE-2026-102989: TanStack Start reflected cross-site scripting

A flaw in server-function handling lets a stranger's script run as the app itself. Affected versions of four packages need upgrades.

2026

What WebPulse reported · 1 analysis

A flaw in server-function handling lets a stranger's script run as the app itself. Affected versions of four packages need upgrades.

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