Tanstack develops a focused set of JavaScript utility libraries and query tools for React applications, with observed vulnerabilities centered on its React Query Next experimental component. The durable signal reflects application-layer risks including embedded malicious code and cross-site scripting issues inherent to client-side web tooling; live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Tanstack over time
Signals from CVEs in this vendor scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-45321CRITICAL On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated | May 12, 2026 | 9.6 | 79 | YES | NO |
CVE-2024-24558MEDIUM TanStack Query supplies asynchronous state management, server-state utilities and data fetching for the web. The `@tanstack/react-query-next-experimental` NPM package is vulnerabl | Jan 30, 2024 | 6.1 | 18 | NO | NO |
Signals from CVEs in this vendor scope (2 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Tanstack.
Media articles that mention a CVE ID that affects a product developed by Tanstack — matched by CVE ID, not by vendor name.