MediumFix available
xdg-desktop-portal — security advisory
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.
- Products
- xdg-desktop-portal
- Affected 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
- Fixed versions
- 1.20.4+ds-1
- CVEs
- CVE-2026-40354
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:36 UTC · Revision 2
Source evidence
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.
osv:DEBIAN-CVE-2026-40354
xdg-desktop-portal
Fixed versions: Not specified
xdg-desktop-portal
Fixed versions: Not specified
xdg-desktop-portal
Fixed versions: 1.20.4+ds-1
Complete source record
{
"id": "fd9ede0c44f89813b2a06d924951689790de3c8eefa1258671b4b2cc3361add2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-40354",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-40354",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2026-40354",
"products": [
{
"name": {
"value": "xdg-desktop-portal",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.16.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.16.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.17.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.17.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.17.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.4-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.0+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.1+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.2+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.3+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.4+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.0+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.0+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.1+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.1+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.3+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.3+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.3+ds-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.4+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.21.0+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.21.1+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.0+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.1+ds-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "xdg-desktop-portal",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.20.3+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.20.3+ds-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.20.3+ds-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.20.4+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.21.0+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.21.1+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.0+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.1+ds-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "xdg-desktop-portal",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4+ds-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1.20.3+ds-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.3+ds-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.3+ds-3",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-40354",
"aliases": [
"DEBIAN-CVE-2026-40354"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H"
}
],
"affected": [
{
"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"
}
}
],
"modified": "2026-10-27T09:47:32.891115560Z",
"provider": "osv",
"upstream": [
"CVE-2026-40354"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-40354"
]
},
"related_cves": [
{
"value": "CVE-2026-40354",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 460879,
"published_at": "2026-04-11T01:16:16.27+00:00"
}