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CVE-2026-94422 xdg-dbus-proxy: message filtering bypass via reply serial allows sandbox escape

🗓️ 02 Oct 2026 13:54:10Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 66 Views

Message filtering bypass in xdg-dbus-proxy allows sandbox escape to arbitrary code execution.

Related
Affected
Refs
[
  {
    "packageName": "xdg-dbus-proxy",
    "collectionURL": "https://github.com/flatpak/xdg-dbus-proxy",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.1.9",
        "versionType": "semver",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Fedora",
    "product": "Fedora",
    "packageName": "xdg-dbus-proxy",
    "collectionURL": "https://bodhi.fedoraproject.org/updates/?packages=xdg-dbus-proxy",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.1.9",
        "versionType": "semver",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "packageName": "xdg-dbus-proxy",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "packageName": "xdg-dbus-proxy",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  }
]

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