ETK-2026-1958Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-1958",
  "cve_id": null,
  "display_id": "ETK-2026-1958",
  "ghsa_id": "GHSA-vrxg-57v4-85mc",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "JSON-LD signature coverage mismatch in openvc-core",
  "summary": "openvc-core versions before 1.30.2 can accept altered JSON-LD credentials when using the affected RDF Data Integrity cryptosuites. An attacker able to supply or relay such a credential may change unsigned JSON-level identity, status, validity, or claim data while retaining a valid signature.",
  "mitigation": "Upgrade openvc-core to version 1.30.2 or later. Until upgrading, avoid the affected RDF Data Integrity suites and restrict accepted credentials to JCS-based suites where possible.",
  "vendor": "pip",
  "product": "pip:openvc-core",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.30.1"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "1.30.2"
      ],
      "package_name": "openvc-core",
      "purl": "pkg:pypi/openvc-core"
    }
  ],
  "cwes": [
    345
  ],
  "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:H/A:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 19.235764116666665,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-18T10:39:02.437937+00:00",
      "days": -2.9260234948958335,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T08:52:31.124149+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-13T17:35:55+00:00",
      "days": -7.636526248796296,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T08:52:31.124149+00:00",
      "url": "https://github.com/luisgf/openvc/security/advisories/GHSA-vrxg-57v4-85mc"
    }
  }
}