{
  "cveId": "CVE-2026-54282",
  "url": "https://patchblox.com/security/cve/CVE-2026-54282",
  "summary": "CVE-2026-54282 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-54282, released June 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "starlette: Starlette is a lightweight ASGI framework/toolkit",
  "description": "Starlette is a lightweight ASGI framework/toolkit. Prior to 1.3.0, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating {scheme}://{host}{path} and re-parsing the result, a path that does not begin with / (for example @google.com) moves the authority boundary during re-parsing, so request.url.hostname and request.url.netloc become attacker-controlled. Code that reads request.url.hostname (rather than the Host header or scope) can therefore be misled into trusting an attacker-supplied host. This vulnerability is fixed in 1.3.0.",
  "published": "2026-06-22T18:16:46Z",
  "severity": "medium",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.00273,
  "epssPercentile": 0.19807,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-starlette",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.41.3-160000.4.1",
      "fix": "OPENSUSE-SU-2026:21053-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21053-1",
      "released": "2026-06-24T21:39:55Z"
    },
    {
      "platform": "linux",
      "product": "python-starlette",
      "release": "sles 16.0",
      "fixedVersion": "0.41.3-160000.4.1",
      "fix": "SUSE-SU-2026:22360-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22360-1",
      "released": "2026-06-24T21:41:06Z"
    },
    {
      "platform": "linux",
      "product": "starlette",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.26.1-1\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2026-54282",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-54282",
      "released": "2026-06-22T18:16:46Z"
    },
    {
      "platform": "linux",
      "product": "starlette",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.46.1-3\u002Bdeb13u3",
      "fix": "DEBIAN-CVE-2026-54282",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-54282",
      "released": "2026-06-22T18:16:46Z"
    },
    {
      "platform": "linux",
      "product": "starlette",
      "release": "Debian 14",
      "fixedVersion": "1.3.1-1",
      "fix": "DEBIAN-CVE-2026-54282",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-54282",
      "released": "2026-06-22T18:16:46Z"
    }
  ],
  "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"
  }
}