{"action":"Upgrade @remix-run/server-runtime to 2.17.5 or later.","affected":[{"fixed":"2.17.5","introduced":"2.10.0"}],"component":"@remix-run/server-runtime","cve_ids":["CVE-2026-42342"],"ecosystem":"npm","epss":0.00299,"exploited":false,"fixed_versions":["2.17.5"],"ghsa_id":"GHSA-8x6r-g9mw-2r78","id":"tcs_01M5KFE9F4WF8E2PYPNR2MDQHF","modified_at":"2026-09-10T03:50:48.994159583Z","published_at":"2026-06-03T21:05:17Z","references":["https://osv.dev/vulnerability/GHSA-8x6r-g9mw-2r78","https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78","https://nvd.nist.gov/vuln/detail/CVE-2026-42342","https://github.com/remix-run/react-router"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-8x6r-g9mw-2r78#npm/@remix-run/server-runtime","url":"https://osv.dev/vulnerability/GHSA-8x6r-g9mw-2r78"}],"summary":"React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint"}