{"id":"CVE-2026-41248","sourceIdentifier":"security-advisories@github.com","published":"2026-04-24T21:16:18.497","lastModified":"2026-10-26T21:10:00.170","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Clerk JavaScript is the official JavaScript repository for Clerk authentication. createRouteMatcher in @clerk/nextjs, @clerk/nuxt, and @clerk/astro can be bypassed by certain crafted requests, allowing them to skip middleware gating and reach downstream handlers. This vulnerability is fixed in @clerk/astro 1.5.7, 2.17.10, and 3.0.15; @clerk/nextjs 5.7.6, 6.39.2, and 7.2.1; @clerk/nuxt 1.13.28 and 2.2.2; and @clerk/shared 2.22.1, 3.47.4, anc 4.8.1"},{"lang":"es","value":"Clerk JavaScript es el repositorio oficial de JavaScript para la autenticación de Clerk. createRouteMatcher en @clerk/nextjs, @clerk/nuxt y @clerk/astro puede ser eludido por ciertas solicitudes manipuladas, permitiéndoles omitir el control del middleware y alcanzar los manejadores posteriores. Esta vulnerabilidad está corregida en @clerk/astro 1.5.7, 2.17.10 y 3.0.15; @clerk/nextjs 5.7.6, 6.39.2 y 7.2.1; @clerk/nuxt 1.13.28 y 2.2.2; y @clerk/shared 2.22.1, 3.47.4 y 4.8.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"clerk","product":"astro","versions":[{"version":">= 0.0.1, < 1.5.7","status":"affected"},{"version":">= 2.0.0-snapshot.v20241206174604, <= 2.17.9","status":"affected"},{"version":">= 3.0.0, < 3.0.15","status":"affected"}]},{"vendor":"clerk","product":"nextjs","versions":[{"version":">= 5.0.0, < 5.7.6","status":"affected"},{"version":">= 6.0.0-snapshot.vb87a27f, < 6.39.2","status":"affected"},{"version":">= 7.0.0, < 7.2.1","status":"affected"}]},{"vendor":"clerk","product":"nuxt","versions":[{"version":">= 1.1.0, < 1.13.28","status":"affected"},{"version":">= 2.0.0, < 2.2.2","status":"affected"}]},{"vendor":"clerk","product":"shared","versions":[{"version":">= 2.20.17, < 2.22.1","status":"affected"},{"version":">= 3.0.0-canary.v20250225091530, < 3.47.4","status":"affected"},{"version":">= 4.0.0, < 4.8.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-27T13:46:14.373183Z","id":"CVE-2026-41248","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-436"},{"lang":"en","value":"CWE-863"}]}],"references":[{"url":"https://github.com/clerk/javascript/security/advisories/GHSA-vqx2-fgx2-5wq9","source":"security-advisories@github.com"}]}