{
  "published": "2026-07-31T13:03:36Z",
  "modified": "2026-08-11T15:52:07Z",
  "schema_version": "1.7.5",
  "id": "CGA-7vm8-w2jc-8f65",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
    }
  ],
  "upstream": [
    "CVE-2026-66066",
    "GHSA-xr9x-r78c-5hrm"
  ],
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/29/9"
    },
    {
      "type": "WEB",
      "url": "https://ethiack.com/info-hub/research/kindarails2shell-rails-rce-cve-2026-66066"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v7.2.3.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v8.0.5.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v8.1.3.1"
    },
    {
      "type": "WEB",
      "url": "https://thehackernews.com/2026/07/critical-rails-flaw-could-let.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66066.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rails/rails/security/advisories/GHSA-xr9x-r78c-5hrm"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activestorage/CVE-2026-66066.yml"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66066"
    },
    {
      "type": "FIX",
      "url": "https://github.com/rails/rails/commit/1c01bb587206ee6eb0e1179c2cef96a6a47acb1e"
    },
    {
      "type": "FIX",
      "url": "https://github.com/rails/rails/commit/349e7a5d5b4b715af1e416db824f3c078a7d59e5"
    },
    {
      "type": "FIX",
      "url": "https://github.com/rails/rails/commit/d79b7f4aa17dec8ce4960fef05733c8c0c7ef49a"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/08/01/6"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/rails/rails-forensics-CVE-2026-66066"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "ruby3.3-rails-8.0",
        "purl": "pkg:apk/chainguard/ruby3.3-rails-8.0?arch=aarch64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.5.1-r0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "activestorage",
            "component_version": "8.0.5",
            "component_type": "gem",
            "component_location": "/usr/share/ruby/gems/3.3/specifications/activestorage-8.0.5.gemspec",
            "component_purl": "pkg:gem/activestorage@8.0.5",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2026-08-11T15:52:07Z"
          }
        ]
      }
    }
  ]
}