CVE-2026-40354

{"id": "CVE-2026-40354", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40354", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-15T15:13:04.765142Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.9, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.4}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 1.0}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Flatpak", "product": "xdg-desktop-portal", "versions": [{"status": "affected", "version": "0", "lessThan": "1.20.4", "versionType": "semver"}, {"status": "affected", "version": "1.21.0", "lessThan": "1.21.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-11T01:16:16.270", "references": [{"url": "https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2026/04/10/14", "tags": ["Mailing List"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-61"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-17T10:45:10.307", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:flatpak:xdg-desktop-portal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EE2AC77-CD98-4889-B26F-9EB4391D3970", "versionEndExcluding": "1.20.4"}, {"criteria": "cpe:2.3:a:flatpak:xdg-desktop-portal:1.21.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9314DB96-4EDF-43A8-BC7A-5074770F1E4A"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}