UnratedFix available

DEBIAN-CVE-2026-40354

Type: advisorySource: OSV1 source record

Flatpak xdg-desktop-portal before 1.20.4 and 1.21.x before 1.21.1 allows any Flatpak app to trash any file in the host context via a symlink attack on g_file_trash.

Announced 11 Apr 2026Group revision 1

Original source ↗

DEBIAN-CVE-2026-40354

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-40354

xdg-desktop-portal

Source reference: /affected/0/package/name

Affected versions: 1.16.0-2
Source reference: /affected/0/versions
1.16.0-3
Source reference: /affected/0/versions
1.17.0-1
Source reference: /affected/0/versions
1.17.1-1
Source reference: /affected/0/versions
1.17.2-1
Source reference: /affected/0/versions
1.18.0-1
Source reference: /affected/0/versions
1.18.1-1
Source reference: /affected/0/versions
1.18.2-1
Source reference: /affected/0/versions
1.18.3-1
Source reference: /affected/0/versions
1.18.4-1
Source reference: /affected/0/versions
1.18.4-2
Source reference: /affected/0/versions
1.19.0+ds-1
Source reference: /affected/0/versions
1.19.1+ds-1
Source reference: /affected/0/versions
1.19.2+ds-1
Source reference: /affected/0/versions
1.19.3+ds-1
Source reference: /affected/0/versions
1.19.4+ds-1
Source reference: /affected/0/versions
1.20.0+ds-1
Source reference: /affected/0/versions
1.20.0+ds-2
Source reference: /affected/0/versions
1.20.1+ds-1
Source reference: /affected/0/versions
1.20.1+ds-2
Source reference: /affected/0/versions
1.20.3+ds-1
Source reference: /affected/0/versions
1.20.3+ds-2
Source reference: /affected/0/versions
1.20.3+ds-3
Source reference: /affected/0/versions
1.20.4+ds-1
Source reference: /affected/0/versions
1.21.0+ds-1
Source reference: /affected/0/versions
1.21.1+ds-1
Source reference: /affected/0/versions
1.22.0+ds-1
Source reference: /affected/0/versions
1.22.1+ds-1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

xdg-desktop-portal

Source reference: /affected/1/package/name

Affected versions: 1.20.3+ds-1
Source reference: /affected/1/versions
1.20.3+ds-2
Source reference: /affected/1/versions
1.20.3+ds-3
Source reference: /affected/1/versions
1.20.4+ds-1
Source reference: /affected/1/versions
1.21.0+ds-1
Source reference: /affected/1/versions
1.21.1+ds-1
Source reference: /affected/1/versions
1.22.0+ds-1
Source reference: /affected/1/versions
1.22.1+ds-1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

xdg-desktop-portal

Source reference: /affected/2/package/name

Affected versions: 1.20.3+ds-1
Source reference: /affected/2/versions
1.20.3+ds-2
Source reference: /affected/2/versions
1.20.3+ds-3
Source reference: /affected/2/versions
Fixed versions: 1.20.4+ds-1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "xdg-desktop-portal",
      "purl": "pkg:deb/debian/xdg-desktop-portal?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1.16.0-2",
      "1.16.0-3",
      "1.17.0-1",
      "1.17.1-1",
      "1.17.2-1",
      "1.18.0-1",
      "1.18.1-1",
      "1.18.2-1",
      "1.18.3-1",
      "1.18.4-1",
      "1.18.4-2",
      "1.19.0+ds-1",
      "1.19.1+ds-1",
      "1.19.2+ds-1",
      "1.19.3+ds-1",
      "1.19.4+ds-1",
      "1.20.0+ds-1",
      "1.20.0+ds-2",
      "1.20.1+ds-1",
      "1.20.1+ds-2",
      "1.20.3+ds-1",
      "1.20.3+ds-2",
      "1.20.3+ds-3",
      "1.20.4+ds-1",
      "1.21.0+ds-1",
      "1.21.1+ds-1",
      "1.22.0+ds-1",
      "1.22.1+ds-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40354.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "xdg-desktop-portal",
      "purl": "pkg:deb/debian/xdg-desktop-portal?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1.20.3+ds-1",
      "1.20.3+ds-2",
      "1.20.3+ds-3",
      "1.20.4+ds-1",
      "1.21.0+ds-1",
      "1.21.1+ds-1",
      "1.22.0+ds-1",
      "1.22.1+ds-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40354.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.20.4+ds-1"
          }
        ]
      }
    ],
    "package": {
      "name": "xdg-desktop-portal",
      "purl": "pkg:deb/debian/xdg-desktop-portal?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1.20.3+ds-1",
      "1.20.3+ds-2",
      "1.20.3+ds-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40354.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #56023 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 16:18:25 GMT
Publisher date: Sat, 11 Apr 2026 01:16:16 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-40354 · Revision 1Source updated