{"id":"CVE-2026-53667","sourceIdentifier":"security-advisories@github.com","published":"2026-07-27T22:17:31.093","lastModified":"2026-10-24T13:10:00.147","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs. This issue has been fixed in version 7.18.0."},{"lang":"es","value":"React Router es un router para React. En las versiones 7.11.0 a la 7.17.0, el RSCErrorHandler carece de validación de protocolo, lo que permite redirecciones desde fuentes no confiables. Este problema es un seguimiento de CVE-2026-53667, y solo afecta a las aplicaciones consumidoras si están utilizando las API RSC inestables. Este problema ha sido solucionado en la versión 7.18.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"remix-run","product":"react-router","versions":[{"version":">= 7.11.0, < 7.18.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N","baseScore":6.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":4.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-28T13:51:03.703369Z","id":"CVE-2026-53667","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:shopify:react-router:*:*:*:*:*:node.js:*:*","versionStartIncluding":"7.11.0","versionEndExcluding":"7.18.0","matchCriteriaId":"CB968D70-0799-410A-887A-940555A553E7"}]}]}],"references":[{"url":"https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/remix-run/react-router/pull/15177","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh","source":"security-advisories@github.com","tags":["Third Party Advisory"]}]}