{"id":"CVE-2026-73424","sourceIdentifier":"security-advisories@github.com","published":"2026-08-17T18:18:13.873","lastModified":"2026-10-23T16:10:00.313","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Astro is a web framework for content-driven websites. From 10.0.3 until 11.0.3, the Astro Vercel adapter in packages/integrations/vercel/src/serverless/entrypoint.ts accepts x_astro_path for the public /_isr function based only on the x-vercel-isr header, allowing unauthenticated GET requests to render routes protected only by Vercel edge path rules or split edge middleware. This issue is fixed in 11.0.3."},{"lang":"es","value":"Astro es un web framework para sitios web basados en contenido. Desde la versión 10.0.3 hasta la 11.0.3, el adaptador de Astro Vercel en packages/integrations/vercel/src/serverless/entrypoint.ts acepta x_astro_path para la función pública /_isr basándose únicamente en el encabezado x-vercel-isr, permitiendo que solicitudes GET no autenticadas rendericen rutas protegidas solo por reglas de ruta de borde de Vercel o middleware de borde dividido. Este problema está solucionado en la versión 11.0.3."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"withastro","product":"astro","versions":[{"version":">= 10.0.3, < 11.0.3","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:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-18T14:48:58.804991Z","id":"CVE-2026-73424","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-441"},{"lang":"en","value":"CWE-862"}]}],"references":[{"url":"https://github.com/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcd","source":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/pull/17370","source":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/releases/tag/@astrojs/vercel@11.0.3","source":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","source":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}