ETK-2026-3454Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3454",
  "cve_id": null,
  "display_id": "ETK-2026-3454",
  "ghsa_id": "GHSA-hq78-cm2m-h24h",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Image transform object injection in craftcms/cms",
  "summary": "craftcms/cms before 5.11.4 can mishandle attacker-supplied image transform data, allowing unintended PHP classes to be constructed with attacker-controlled settings. On sites where the Craft Commerce payment flow and the applicable profile-photo access path are exposed, an unauthenticated attacker may be able to execute PHP.",
  "mitigation": "Upgrade craftcms/cms to version 5.11.4 or later. Until upgrading, restrict public access to affected Craft Commerce payment flows and profile-photo functionality where feasible.",
  "vendor": "composer",
  "product": "composer:craftcms/cms",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 5.0.0, < 5.11.4"
      ],
      "ecosystem": "composer",
      "fixed_versions": [
        "5.11.4"
      ],
      "package_name": "craftcms/cms",
      "purl": "pkg:composer/craftcms/cms"
    }
  ],
  "cwes": [
    697
  ],
  "cvss_score": 7,
  "cvss_src": "ethiack_provisional",
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 29.36870083333333,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-11-02T19:04:13+00:00",
      "days": -1.4707780740277778,
      "is_lower_bound": true,
      "measured_at": "2026-11-04T06:22:08.333478+00:00",
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-hq78-cm2m-h24h"
    }
  }
}