CVE-2026-56388

{
  "etk_id": "ETK-2026-2317",
  "cve_id": "CVE-2026-56388",
  "display_id": "CVE-2026-56388",
  "ghsa_id": "GHSA-57w6-4hvp-7m4g",
  "euvd_id": null,
  "status": "in_pipeline",
  "anchor_state": "anchored",
  "title": "Out-of-bounds write in Apache bRPC Redis command parsing",
  "summary": "Apache bRPC instances that enable Redis service can mishandle malformed Redis protocol input during command parsing. An unauthenticated remote client able to reach that service can trigger an out-of-bounds write and crash the bRPC process; the issue is encountered before command authentication or handling.",
  "mitigation": "Upgrade apache/brpc to version 1.18.0. Until upgraded, disable the Redis service where it is not needed or restrict Redis protocol access to trusted clients.",
  "vendor": "Apache Software Foundation",
  "product": "Apache bRPC",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 1.18.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.18.0"
      ],
      "package_name": "apache/brpc",
      "purl": null
    }
  ],
  "cwes": [
    787
  ],
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": null,
  "t0_at": "2026-10-21T11:40:41.743000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-21T11:40:41.743000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-21T11:40:41.743000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-56388"
    }
  }
}