{"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-2026-97027","cwes":["CWE-20"],"description":"Flatpak passes through arbitrary vendor-extension keys unmodified when exporting an application's Desktop Entry (.desktop) and D-Bus Service (.service) files, instead of validating against an allowlist. A malicious Flatpak app can use this to cause denial of service (e.g. forced application restart loops) or to influence host D-Bus/systemd activation behavior beyond what the sandbox is intended to permit.","epss":{"date":"2026-11-06","percentile":0.02317,"score":0.00126},"exploits":[],"kev":null,"metrics":[{"score":3.6,"severity":"low","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L","version":"3.1"}],"modifiedAt":1793995289463,"publishedAt":1790629026758,"references":[{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-97027"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2542683"},{"source":"CNA: redhat","tags":[],"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-v64f-hrwr-j4vh"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Only install applications from trusted sources."}],"revision":"a9e2ba062e35c24c80e76a9adc219dbebdf0d3becb152675d81d4157317c6c58","sources":[{"modifiedAt":1793995289463,"name":"CNA: redhat","retrievedAt":1793999396826,"url":"https://www.cve.org/CVERecord?id=CVE-2026-97027"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793999397302,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-97027"}],"ssvc":{"assessedAt":1790710787160,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Flatpak: flatpak: denial of service via unsanitized keys in exported desktop entry / d-bus service files","updatedAt":1793999397302}