ETK-2026-3507Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3507",
  "cve_id": null,
  "display_id": "ETK-2026-3507",
  "ghsa_id": "GHSA-8474-xrp6-wh69",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Regular expression injection in Active Support safe_constantize",
  "summary": "Active Support versions before 8.0.5.2 and versions from 8.1 before 8.1.4.1 are affected. An unauthenticated client may be able to cause a server-process crash and sustained denial of service when an application exposes Action Cable to untrusted clients, or otherwise supplies untrusted values to safe_constantize.",
  "mitigation": "Upgrade activesupport to 8.0.5.2 or 8.1.4.1, as appropriate. Until upgrading, disable the Action Cable mount point if unused, or require authentication for Action Cable connections to reduce exposure.",
  "vendor": "rubygems",
  "product": "rubygems:activesupport",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 8.1, < 8.1.4.1"
      ],
      "ecosystem": "rubygems",
      "fixed_versions": [
        "8.1.4.1"
      ],
      "package_name": "activesupport",
      "purl": "pkg:gem/activesupport"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 8.0.5.2"
      ],
      "ecosystem": "rubygems",
      "fixed_versions": [
        "8.0.5.2"
      ],
      "package_name": "activesupport",
      "purl": "pkg:gem/activesupport"
    }
  ],
  "cwes": [
    74
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 18.635713133333333,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-11-04T03:02:04+00:00",
      "days": -0.5860399209606482,
      "is_lower_bound": true,
      "measured_at": "2026-11-04T17:05:57.969188+00:00",
      "url": "https://github.com/rails/rails/security/advisories/GHSA-8474-xrp6-wh69"
    }
  }
}