{
  "cveId": "CVE-2026-97027",
  "url": "https://patchblox.com/security/cve/CVE-2026-97027",
  "summary": "CVE-2026-97027 is fixed in flatpak on 1 platform, first by DEBIAN-CVE-2026-97027, released September 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "flatpak: Flatpak passes through arbitrary vendor-extension keys unmodified when exporting an application\u0027s Desktop Entry (.des...",
  "description": "Flatpak passes through arbitrary vendor-extension keys unmodified when exporting an application\u0027s Desktop Entry (.desktop) and D-Bus Service (.service) files, instead of validating against an allowlist. A malicious Flatpak app can use this to cause denial of service (e.g. forced application restart loops) or to influence host D-Bus/systemd activation behavior beyond what the sandbox is intended to permit.",
  "published": "2026-09-28T21:17:20Z",
  "severity": "low",
  "cvss": 3.6,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L",
  "epss": 0.00126,
  "epssPercentile": 0.02315,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "flatpak",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.16.6-1~deb13u3",
      "fix": "DEBIAN-CVE-2026-97027",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97027",
      "released": "2026-09-29T20:26:41Z"
    },
    {
      "platform": "linux",
      "product": "flatpak",
      "release": "Debian 14",
      "fixedVersion": "1.18.4-1",
      "fix": "DEBIAN-CVE-2026-97027",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97027",
      "released": "2026-09-29T20:26:41Z"
    }
  ],
  "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"
  }
}