{
  "cveId": "CVE-2026-58494",
  "url": "https://patchblox.com/security/cve/CVE-2026-58494",
  "summary": "CVE-2026-58494 is fixed in rust-wasmtime on 1 platform by DEBIAN-CVE-2026-58494 (version 36.0.12\u002Bdfsg-1), released July 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "rust-wasmtime: Wasmtime is a runtime for WebAssembly",
  "description": "Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI guest with a read-only source file capability to overwrite host files exposed as FilePerms::READ through wasip1, wasip2, or wasip3 filesystem interfaces. This issue is fixed in versions 24.0.11, 36.0.12, 45.0.3, and 46.0.1.",
  "published": "2026-07-08T21:16:54Z",
  "severity": "medium",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
  "epss": 0.00171,
  "epssPercentile": 0.06516,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "rust-wasmtime",
      "release": "Debian 14",
      "fixedVersion": "36.0.12\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-58494",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-58494",
      "released": "2026-07-10T15:54:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}