{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59731","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-06T15:34:16.917Z","datePublished":"2026-07-08T16:27:18.496Z","dateUpdated":"2026-07-09T14:38:54.995Z"},"containers":{"cna":{"title":"Astro 6.4.7 Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch","problemTypes":[{"descriptions":[{"cweId":"CWE-647","lang":"en","description":"CWE-647: Use of Non-Canonical URL Paths for Authorization Decisions","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/withastro/astro/security/advisories/GHSA-vj59-8hwv-xxmv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/withastro/astro/security/advisories/GHSA-vj59-8hwv-xxmv"},{"name":"https://github.com/withastro/astro/pull/17109","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/pull/17109"},{"name":"https://github.com/withastro/astro/commit/27c80ea92248993e5fce94b2c26d87d611ab6785","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/commit/27c80ea92248993e5fce94b2c26d87d611ab6785"},{"name":"https://github.com/withastro/astro/releases/tag/astro@6.4.8","tags":["x_refsource_MISC"],"url":"https://github.com/withastro/astro/releases/tag/astro@6.4.8"}],"affected":[{"vendor":"withastro","product":"astro","versions":[{"version":">= 6.4.7, < 6.4.8","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-08T16:27:18.496Z"},"descriptions":[{"lang":"en","value":"Astro is a web framework for content-driven websites. Version 6.4.7 performs authorization decisions on a partially decoded pathname after reaching the iterative URL decoder limit, while later rewrite route matching performs an additional decodeURI() operation and can resolve the request to a protected route. This issue is fixed in version 6.4.8."}],"source":{"advisory":"GHSA-vj59-8hwv-xxmv","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/withastro/astro/security/advisories/GHSA-vj59-8hwv-xxmv","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T14:38:51.210895Z","id":"CVE-2026-59731","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":"2026-07-09T14:38:54.995Z"}}]}}