{"id":"CVE-2026-73424","title":"Astro is a web framework for content-driven websites","summary":"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-…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-441","CWE-862"],"published":"2026-08-17","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:11:46.833","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73424","references":[{"url":"https://github.com/withastro/astro/commit/3a43cf0f3690a8e33cb30109bc5165611cf38fcd","label":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/pull/17370","label":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/releases/tag/@astrojs/vercel@11.0.3","label":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","label":"security-advisories@github.com"},{"url":"https://github.com/withastro/astro/security/advisories/GHSA-x27w-589x-frm2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00275,"epssPercentile":0.20132,"ingestedAt":"2026-09-09T21:22:45.535Z","slug":"CVE-2026-73424","body":"## Overview\n\nAstro 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}