CVE-2026-40354_CVE-2026-40354

2.9 / 10

LOW

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

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.

Basic Information

ID CVE-2026-40354

Source mitre

Published Apr 11, 2026 at 00:29

Affected Product

Vendor Flatpak

Product xdg-desktop-portal

Affected Versions Flatpak xdg-desktop-portal 0
Flatpak xdg-desktop-portal 1.21.0

CWE Classification

CWE-61

References

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-04-11T00:29:03.467Z",
    "modified": "2026-04-11T00:29:03.467Z",
    "type": "cve",
    "title": "CVE-2026-40354",
    "source": "mitre",
    "references": "https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1\nhttps://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4\nhttps://www.openwall.com/lists/oss-security/2026/04/10/14\nhttps://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj",
    "id": "CVE-2026-40354",
    "bulletinFamily": "",
    "cwe": [
        "CWE-61"
    ],
    "cvelist": null,
    "sourceData": "Flatpak xdg-desktop-portal 0\nFlatpak xdg-desktop-portal 1.21.0",
    "sourceHref": "",
    "cvss": {
        "score": 2.9,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "xdg-desktop-portal",
    "version": "0",
    "vendor": "Flatpak",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}