{"affected":[{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"flatpak","product":"Red Hat Enterprise Linux 10","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"flatpak","product":"Red Hat Enterprise Linux 7","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"flatpak","product":"Red Hat Enterprise Linux 8","source":"CNA: redhat","vendor":"Red Hat","versions":[]},{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"flatpak","product":"Red Hat Enterprise Linux 9","source":"CNA: redhat","vendor":"Red Hat","versions":[]}],"cveId":"CVE-2026-96282","cwes":["CWE-59"],"description":"A malicious Flatpak extension can probe the host filesystem to determine what files and directories exist at arbitrary paths, and host directory listings can be disclosed to sandboxed applications using the extension. Additionally, unvalidated extension metadata can cause extension content to be mounted at unintended locations inside the sandbox.","epss":{"date":"2026-11-06","percentile":0.15057,"score":0.00239},"exploits":[],"kev":null,"metrics":[{"score":3.1,"severity":"low","source":"CNA: redhat","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1793995277649,"publishedAt":1790546023645,"references":[{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-96282"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539422"},{"source":"CNA: redhat","tags":[],"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-w69g-9x8j-7p8f"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Avoid installing Flatpak extensions from non-trusted sources."}],"revision":"e50d00ac6264fe0d9b5fa831bf9e6f9cf3b6404312bb445531dbb8abd6d69ff6","sources":[{"modifiedAt":1793995277649,"name":"CNA: redhat","retrievedAt":1793999390190,"url":"https://www.cve.org/CVERecord?id=CVE-2026-96282"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793999397868,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-96282"}],"ssvc":{"assessedAt":1790600303772,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Flatpak: flatpak: extension metadata path traversal file existence oracle","updatedAt":1793999397868}