ETK-2026-487Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-487",
  "cve_id": null,
  "display_id": "ETK-2026-487",
  "ghsa_id": "GHSA-cjcg-cxmh-9wcr",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "HPACK memory exhaustion in praxis-proxy",
  "summary": "praxis-proxy versions before 0.5.2 can consume excessive memory while processing HTTP/2 header compression data. A remote attacker may cause service disruption by sending requests to an HTTP/2-enabled listener; no authentication is indicated.",
  "mitigation": "Upgrade praxis-proxy to version 0.5.2 or later. Until upgrades are complete, restrict untrusted access to HTTP/2 listeners.",
  "vendor": "rust",
  "product": "rust:praxis-proxy",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 0.5.2"
      ],
      "ecosystem": "rust",
      "fixed_versions": [
        "0.5.2"
      ],
      "package_name": "praxis-proxy",
      "purl": "pkg:cargo/praxis-proxy"
    }
  ],
  "cwes": null,
  "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": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 64.30610691666666,
  "t0_at": null,
  "signals": {
    "trigger_signal": {
      "at": "2026-10-02T23:09:37+00:00",
      "days": -18.56092744792824,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T12:37:21.155914+00:00",
      "url": "https://github.com/advisories/GHSA-cjcg-cxmh-9wcr"
    }
  }
}