CVE-2026-59731

{"id": "CVE-2026-59731", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59731", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-09T14:38:51.210895Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "withastro", "product": "astro", "versions": [{"status": "affected", "version": ">= 6.4.7, < 6.4.8"}]}]}], "published": "2026-07-08T17:17:25.937", "references": [{"url": "https://github.com/withastro/astro/commit/27c80ea92248993e5fce94b2c26d87d611ab6785", "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/pull/17109", "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/releases/tag/astro@6.4.8", "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/security/advisories/GHSA-vj59-8hwv-xxmv", "source": "security-advisories@github.com"}, {"url": "https://github.com/withastro/astro/security/advisories/GHSA-vj59-8hwv-xxmv", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-647"}]}], "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."}], "lastModified": "2026-07-09T16:29:14.203", "sourceIdentifier": "security-advisories@github.com"}