ETK-2026-3915Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3915",
  "cve_id": null,
  "display_id": "ETK-2026-3915",
  "ghsa_id": "GHSA-wmmr-qjc6-rp53",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Unchecked string expansion denial of service in Scriban",
  "summary": "Scriban and Scriban.Signed through 7.5.3 fail to enforce the configured string-size limit for the `string.literal` template builtin. An attacker able to supply a rendered template can exhaust host-process memory and cause a denial of service.",
  "mitigation": "Upgrade Scriban or Scriban.Signed to version 7.6.0 or later. Until upgraded, do not render untrusted templates, or remove `string.literal` from the builtins available to them.",
  "vendor": "nuget",
  "product": "scriban",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 7.5.3"
      ],
      "ecosystem": "nuget",
      "fixed_versions": [
        "7.6.0"
      ],
      "package_name": "Scriban",
      "purl": "pkg:nuget/Scriban"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 7.5.3"
      ],
      "ecosystem": "nuget",
      "fixed_versions": [
        "7.6.0"
      ],
      "package_name": "Scriban.Signed",
      "purl": "pkg:nuget/Scriban.Signed"
    }
  ],
  "cwes": [
    770
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/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": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 6.6193712,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-11-08T21:01:48.326147+00:00",
      "days": -2.4122966707986113,
      "is_lower_bound": true,
      "measured_at": "2026-11-11T06:55:31.256463+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-11-08T07:14:05+00:00",
      "days": -2.9871036863888887,
      "is_lower_bound": true,
      "measured_at": "2026-11-11T06:55:31.256463+00:00",
      "url": "https://github.com/scriban/scriban/security/advisories/GHSA-wmmr-qjc6-rp53"
    },
    "trigger_signal": {
      "at": "2026-11-08T07:14:05+00:00",
      "days": -2.9871036863888887,
      "is_lower_bound": true,
      "measured_at": "2026-11-11T06:55:31.256463+00:00",
      "url": "https://github.com/scriban/scriban/security/advisories/GHSA-wmmr-qjc6-rp53"
    }
  }
}