{"id":"CVE-2026-96282","title":"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","summary":"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, unval…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","cwe":["CWE-59"],"vendor":"Red Hat","product":"flatpak","affected":["flatpak (all versions)","flatpak (all versions)","flatpak (all versions)","flatpak (all versions)"],"published":"2026-09-27","updated":"2026-09-29","sourceUpdated":"2026-09-29T21:29:07.663","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96282","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-96282","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539422","label":"secalert@redhat.com"},{"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-w69g-9x8j-7p8f","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-96282.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-96282"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96282"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00239,"epssPercentile":0.14897,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-28T12:58:23.772794Z"},"ingestedAt":"2026-09-27T22:59:18.877Z","slug":"CVE-2026-96282","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-09-27 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-96282.json)","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}