{"id":"EUVD-2026-98849","revision":"f542359da0994b92ac86ba78b408947b","records":[{"revision":"f542359da0994b92ac86ba78b408947b","observedAt":"2026-11-01T02:05:35.961+00:00","statement":{"source":"euvd","id":"EUVD-2026-98849","aliases":["CVE-2026-102989","GHSA-qx66-fv34-fjm8"],"title":"TanStack Router is a client-first, server-capable, fully type-safe router and full-stack framework for the web. From 1.143.12 until 1.169.39 for @tanstack/start-server-core, 1.168.60 for @tanstack/react-start, 1.168.57 for @tanstack/solid-s…","description":"TanStack Router is a client-first, server-capable, fully type-safe router and full-stack framework for the web. From 1.143.12 until 1.169.39 for @tanstack/start-server-core, 1.168.60 for @tanstack/react-start, 1.168.57 for @tanstack/solid-start, and 1.168.56 for @tanstack/vue-start, an unauthenticated attacker can place non-public fields in a server-function request payload so that attacker-controlled middleware state reaches the error path and a response-shaped object is accepted as an HTTP response. A crafted server-function URL can therefore return attacker-controlled HTML from the application's origin; when a visitor opens the URL, the injected script can access same-origin data and issue requests with the visitor's authority. This issue is fixed in @tanstack/start-server-core 1.169.39, @tanstack/react-start 1.168.60, @tanstack/solid-start 1.168.57, and @tanstack/vue-start 1.168.56.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","score":9.3,"severity":null}],"references":["https://github.com/TanStack/router/security/advisories/GHSA-qx66-fv34-fjm8","https://github.com/TanStack/router/pull/8573","https://github.com/TanStack/router/commit/d521abd71c69f1ff010bb3def4d417cb5fa058cb","https://github.com/TanStack/router/releases/tag/release-2026-09-30-1747"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98849","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 13, 2026, 4:13:13 PM","dateUpdated":"Oct 14, 2026, 3:20:08 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-98849","identifiers":["EUVD-2026-98849","CVE-2026-102989","GHSA-qx66-fv34-fjm8"]},"retained":false,"historicalAffected":[]}],"coverage":[]}