{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73424","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-12T14:32:11.795Z","datePublished":"2026-08-17T17:11:59.782Z","dateUpdated":"2026-08-18T14:49:18.484Z"},"containers":{"cna":{"title":"Astro: Unauthenticated path override in the @astrojs/vercel ISR function","problemTypes":[{"descriptions":[{"cweId":"CWE-441","lang":"en","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2"},{"name":"https://github.com/withastro/astro/pull/17370","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/pull/17370"},{"name":"https://github.com/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcd","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcd"},{"name":"https://github.com/withastro/astro/releases/tag/@astrojs/vercel@11.0.3","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/releases/tag/@astrojs/vercel@11.0.3"}],"affected":[{"vendor":"withastro","product":"astro","versions":[{"version":">= 10.0.3, < 11.0.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-17T17:11:59.782Z"},"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."}],"source":{"advisory":"GHSA-x27w-589x-frm2","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T14:48:58.804991Z","id":"CVE-2026-73424","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-18T14:49:18.484Z"}}]}}