CVE-2026-103849

{
  "etk_id": "ETK-2026-1496",
  "cve_id": "CVE-2026-103849",
  "display_id": "CVE-2026-103849",
  "ghsa_id": "GHSA-r2jr-3wj5-6696",
  "euvd_id": "EUVD-2026-99219",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Template injection in Adobe Commerce and Magento Open Source",
  "summary": "Adobe Commerce, Adobe Commerce B2B, and Magento Open Source are affected by a template-engine input-neutralization flaw. A remote attacker may execute code in the context of the current user without user interaction, potentially affecting that user's account or session. The advisory describes no additional access prerequisite.",
  "mitigation": "Apply the corresponding October 2026 Adobe security update for your affected product line. If a full upgrade cannot be completed immediately, apply Adobe's isolated security patch and restrict exposure until the update is deployed.",
  "vendor": "Adobe",
  "product": "Adobe Commerce",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 2.4.9-2026-sep",
        "2.4.8-2026-sep",
        "2.4.7-2026-sep",
        "2.4.6-2026-sep",
        "2.4.5-2026-sep",
        "2.4.4-2026-sep"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Adobe Commerce",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 1.5.3-2026-sep",
        "1.5.2-2026-sep",
        "1.4.2-2026-sep",
        "1.3.4-2026-sep",
        "1.3.3-2026-sep"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Adobe Commerce B2B",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 2.4.9-2026-sep",
        "2.4.8-2026-sep",
        "2.4.7-2026-sep"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Magento Open Source",
      "purl": null
    }
  ],
  "cwes": [
    1336
  ],
  "cvss_score": 10,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0084,
  "epss_percentile": 0.5722,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 32.293330516666664,
  "t0_at": "2026-10-13T18:15:53.468000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-10-18T08:12:41+00:00",
      "days": 4.581105694444444,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T18:15:53.468000+00:00",
      "url": "https://github.com/dinosn/cve-2026-103849-blockstrap-lab"
    },
    "trigger_signal": {
      "at": "2026-10-13T18:15:53.468000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T18:15:53.468000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-103849"
    }
  }
}