{
  "cveId": "CVE-2026-58252",
  "url": "https://patchblox.com/security/cve/CVE-2026-58252",
  "summary": "CVE-2026-58252 is fixed in nats-server on 1 platform by DEBIAN-CVE-2026-58252 (version 2.14.1-1), released July 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "NATS Server: Subscribe Authz Bypass via Wildcard-Overlap",
  "description": "NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user could receive messages on denied subjects when a wildcard subscription overlapped with a configured wildcard deny rule but was not a subset of it, and queue subscriptions could also affect delivery to legitimate queue consumers. This issue is fixed in versions 2.14.0, 2.12.7, and 2.11.16.",
  "published": "2026-07-08T20:16:54Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "cwe": "Improper Authorization",
  "epss": 0.00464,
  "epssPercentile": 0.40445,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58252",
  "fixes": [
    {
      "platform": "linux",
      "product": "nats-server",
      "release": "Debian 14",
      "fixedVersion": "2.14.1-1",
      "fix": "DEBIAN-CVE-2026-58252",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-58252",
      "released": "2026-07-04T15:03:22Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}