CVE-2026-82531

{
  "etk_id": "ETK-2026-766",
  "cve_id": "CVE-2026-82531",
  "display_id": "CVE-2026-82531",
  "ghsa_id": "GHSA-3w63-v7pm-cq9x",
  "euvd_id": "EUVD-2026-93376",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Code injection in Smarty template inheritance caching",
  "summary": "Smarty versions before 4.5.8 and Smarty 5.x versions before 5.8.5 can write attacker-influenced content into regenerated template cache files during multi-component inheritance. An attacker able to control assigned template data may cause PHP code to execute when an affected cached template is loaded.",
  "mitigation": "Upgrade smarty/smarty to 5.8.5, 4.5.8 or later.",
  "vendor": "smarty-php",
  "product": "smarty",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<5.8.5",
        "<4.5.8"
      ],
      "ecosystem": "composer",
      "fixed_versions": [
        "5.8.5",
        "4.5.8"
      ],
      "package_name": "smarty/smarty",
      "purl": "pkg:composer/smarty/smarty"
    }
  ],
  "cwes": [
    94
  ],
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0082,
  "epss_percentile": 0.566,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 16.609702016666667,
  "t0_at": "2026-10-06T12:18:31.801000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-10-07T05:37:26+00:00",
      "days": 0.7214606365740741,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T12:18:31.801000+00:00",
      "url": "https://github.com/murrez/CVE-2026-82531"
    },
    "trigger_signal": {
      "at": "2026-10-06T12:18:31.801000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T12:18:31.801000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-82531"
    }
  }
}