CVE-2026-116588

{
  "etk_id": "ETK-2026-2697",
  "cve_id": "CVE-2026-116588",
  "display_id": "CVE-2026-116588",
  "ghsa_id": "GHSA-3633-r77q-h3v3",
  "euvd_id": "EUVD-2026-110469",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Regular expression denial of service in dd-trace-py",
  "summary": "Affected dd-trace-py releases can spend excessive CPU time processing attacker-controlled URL query strings during HTTP tracing. A remote attacker may cause request latency or service unavailability when an affected integration includes query strings in URL span tags; this processing is enabled by default.",
  "mitigation": "Upgrade dd-trace-py to version 3.19.9 or 4.15.6. Prioritize services using HTTP tracing integrations that record URL query strings.",
  "vendor": "DataDog",
  "product": "dd-trace-py",
  "affected": [
    {
      "affected_notes": [
        "1.5.0 >= 3.19.8"
      ],
      "affected_ranges": [],
      "ecosystem": "pip",
      "fixed_versions": [
        "3.19.9"
      ],
      "package_name": "ddtrace",
      "purl": "pkg:pypi/ddtrace"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 4.0.0"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "4.15.6"
      ],
      "package_name": "ddtrace",
      "purl": "pkg:pypi/ddtrace"
    }
  ],
  "cwes": [
    1333
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 27.9591832,
  "t0_at": "2026-10-26T21:22:46.130000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-26T21:22:46.130000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-26T21:22:46.130000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-116588"
    }
  }
}