{"cve":"CVE-2026-73424","nvd":{"published":"2026-08-17T18:18:13.873","modified":"2026-10-23T16:10:00.313","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-441","CWE-862"],"references":["https://github.com/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcd","https://github.com/withastro/astro/pull/17370","https://github.com/withastro/astro/releases/tag/@astrojs/vercel@11.0.3","https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:26.291718493+00:00"},"epss":{"cve":"CVE-2026-73424","score":0.00384,"percentile":0.32165,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-x27w-589x-frm2","url":"https://osv.dev/vulnerability/GHSA-x27w-589x-frm2","summary":"Astro: Unauthenticated path override in the @astrojs/vercel ISR function","modified":"2026-08-17T17:26:01.685211Z","packages":[{"ecosystem":"npm","name":"@astrojs/vercel","purl":"pkg:npm/%40astrojs/vercel","ranges":[">=10.0.3 <11.0.3"],"fixed":["11.0.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}