{
  "cveId": "CVE-2026-44546",
  "url": "https://patchblox.com/security/cve/CVE-2026-44546",
  "summary": "CVE-2026-44546 is fixed in python-daphne on 1 platform, first by DEBIAN-CVE-2026-44546, released June 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "python-daphne: daphne before 4.2.2 reconstructs a raw HTTP request from Twisted\u0027s parsed headers and feeds it to autobahn for WebSoc...",
  "description": "daphne before 4.2.2 reconstructs a raw HTTP request from Twisted\u0027s parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat \\x0b, \\x0c, \\x1c, \\x1d, \\x1e, or \\x85 as header line separators, but autobahn decodes header values to str and calls splitlines(). An attacker can exploit this parser differential to inject additional headers into the ASGI scope passed to the application. daphne now rejects requests with these bytes in any header value with a 400 response.",
  "published": "2026-06-03T14:16:43Z",
  "severity": "medium",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
  "epss": 0.00172,
  "epssPercentile": 0.06653,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-daphne",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.1.2-2\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-44546",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-44546",
      "released": "2026-06-29T14:19:49Z"
    },
    {
      "platform": "linux",
      "product": "python-daphne",
      "release": "Debian 14",
      "fixedVersion": "4.2.2-0.1",
      "fix": "DEBIAN-CVE-2026-44546",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-44546",
      "released": "2026-06-29T14:19:49Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}