{"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":"unaffected","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":"unaffected","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":"unaffected","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-2026-96279","cwes":["CWE-59"],"description":"A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.","epss":{"date":"2026-11-05","percentile":0.36966,"score":0.00425},"exploits":[],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793931254596,"publishedAt":1790538557239,"references":[{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-96279"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539417"},{"source":"CNA: redhat","tags":[],"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-9rww-v4mm-x4jg"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Only install applications from trusted OCI registries. Flatpak remotes using the default OSTree transport are not affected."}],"revision":"1a27b6e10d0ee43269adf4834ae8d04fb144bd32e6ae819c58b197a6c7980fcf","sources":[{"modifiedAt":1793931254596,"name":"CNA: redhat","retrievedAt":1793934541133,"url":"https://www.cve.org/CVERecord?id=CVE-2026-96279"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793934556294,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-96279"}],"ssvc":{"assessedAt":1790603689867,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Flatpak: flatpak: path traversal issue in oci archive extraction via hardlinks","updatedAt":1793934556294}