ETK-2026-3493Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3493",
  "cve_id": null,
  "display_id": "ETK-2026-3493",
  "ghsa_id": "GHSA-mfx5-pc32-32m8",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "ReDoS in pydantic-ai-harness private-key redaction",
  "summary": "pydantic-ai-harness releases before 0.66.0 can consume excessive event-loop time while checking the default private_key secret-redaction pattern. An attacker able to influence content processed by an input, tool, or output guardrail may delay other agent activity in the same process.",
  "mitigation": "Upgrade pydantic-ai-harness to version 0.66.0 or later. Until upgrading, configure secret_data with an explicit allowlist of needed patterns that excludes private_key.",
  "vendor": "pip",
  "product": "pip:pydantic-ai-harness",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.16.0, <= 0.65.0"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "0.66.0"
      ],
      "package_name": "pydantic-ai-harness",
      "purl": "pkg:pypi/pydantic-ai-harness"
    }
  ],
  "cwes": [
    1333
  ],
  "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": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.864973166666667,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-11-04T11:51:36+00:00",
      "days": -0.07479722944444445,
      "is_lower_bound": true,
      "measured_at": "2026-11-04T13:39:18.515359+00:00",
      "url": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-mfx5-pc32-32m8"
    }
  }
}