ETK-2026-3725Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3725",
  "cve_id": null,
  "display_id": "ETK-2026-3725",
  "ghsa_id": "GHSA-qph8-7859-gq2f",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Unbounded response decompression in actix-http",
  "summary": "actix-http can allocate excessive memory and consume CPU while decoding compressed HTTP responses because decoded output is not bounded. Applications using awc or actix_http::encoding::Decoder are exposed when an untrusted upstream can supply compressed response bodies, potentially causing service disruption.",
  "mitigation": "Upgrade actix-http to >= 3.20.1; actix-web to >= 4.18.2 or later.",
  "vendor": "rust",
  "product": "rust:actix-http",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 3.20.1"
      ],
      "ecosystem": "rust",
      "fixed_versions": [
        ">= 3.20.1"
      ],
      "package_name": "actix-http",
      "purl": "pkg:cargo/actix-http"
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 4.18.2"
      ],
      "ecosystem": "rust",
      "fixed_versions": [
        ">= 4.18.2"
      ],
      "package_name": "actix-web",
      "purl": "pkg:cargo/actix-web"
    }
  ],
  "cwes": [
    770
  ],
  "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": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 10.90605255,
  "t0_at": null,
  "signals": {
    "public_poc": {
      "at": "2026-11-06T12:17:07+00:00",
      "days": -1.3001502157175926,
      "is_lower_bound": true,
      "measured_at": "2026-11-07T19:29:20.016846+00:00",
      "url": "https://github.com/actix/actix-web/security/advisories/GHSA-qph8-7859-gq2f"
    },
    "trigger_signal": {
      "at": "2026-11-06T12:17:07+00:00",
      "days": -1.3001502157175926,
      "is_lower_bound": true,
      "measured_at": "2026-11-07T19:29:20.016846+00:00",
      "url": "https://github.com/actix/actix-web/security/advisories/GHSA-qph8-7859-gq2f"
    }
  }
}