{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "astro",
          "vendor": "withastro",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 6.4.7, \u003c 6.4.8"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-647",
              "description": "CWE-647: Use of Non-Canonical URL Paths for Authorization Decisions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T16:27:18.496Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "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"
        }
      ],
      "source": {
        "advisory": "GHSA-vj59-8hwv-xxmv",
        "discovery": "UNKNOWN"
      },
      "title": "Astro 6.4.7 Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-59731",
    "datePublished": "2026-07-08T16:27:18.496Z",
    "dateReserved": "2026-07-06T15:34:16.917Z",
    "dateUpdated": "2026-07-08T16:27:18.496Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-59731\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-08T17:17:25.937\",\"lastModified\":\"2026-07-08T17:17:25.937\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"withastro\",\"product\":\"astro\",\"versions\":[{\"version\":\"\u003e= 6.4.7, \u003c 6.4.8\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-647\"}]}],\"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\"}]}}"
  }
}