{
  "id": "CVE-2026-122006",
  "url": "https://spydr.io/cve/CVE-2026-122006",
  "published": "2026-11-04T15:17:42.940Z",
  "modified": "2026-11-04T21:18:07.027Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "mitre.org",
  "epss": 0.0069,
  "epss_percentile": 0.52942,
  "exploited": false,
  "kev": null,
  "ssvc_exploitation": null,
  "vendors": [
    "rubyonrails"
  ],
  "products": [
    "rubyonrails Active Storage"
  ],
  "cwes": [
    "CWE-1188"
  ],
  "description": "The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading secret_key_base) because the ImageMagick analyzer runs when a file is attached, and there is not an ImageMagick security policy to block unintended functionality.",
  "status": "Received",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/rails/rails/releases/tag/v8.0.5.2",
      "tags": []
    },
    {
      "url": "https://github.com/rails/rails/releases/tag/v8.1.4.1",
      "tags": []
    },
    {
      "url": "https://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9",
      "tags": []
    },
    {
      "url": "https://github.com/digitalocean/droplet-1-clicks/pull/488",
      "tags": []
    },
    {
      "url": "https://github.com/rubysec/ruby-advisory-db/pull/1300",
      "tags": []
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-122006",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}