CVE-2026-97054

{
  "etk_id": "ETK-2026-4133",
  "cve_id": "CVE-2026-97054",
  "display_id": "CVE-2026-97054",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "HTTP/1 header race in Go net/http",
  "summary": "Go HTTP/1 servers using net/http's MaxBytesReader or MaxBytesHandler are affected. A remote client may trigger a server crash when the request-body limit is exceeded and the handler concurrently reads the body while writing response headers.",
  "mitigation": "Upgrade Go to 1.26.11 or 1.27.4. Until upgraded, avoid concurrently reading a request body and writing response headers in handlers that use MaxBytesReader or MaxBytesHandler.",
  "vendor": "Go standard library",
  "product": "net/http",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 1.26.11",
        ">= 1.27.0-0, < 1.27.4"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.26.11",
        "1.27.4"
      ],
      "package_name": "net/http",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 15.599737866666667,
  "t0_at": "2026-11-11T03:13:17.877000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-11T03:13:17.877000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-11T03:13:17.877000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-97054"
    }
  }
}