{"schemaVersion":3,"id":"USN-8741-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"flatpak vulnerabilities\n\nIt was discovered that Flatpak did not properly validate paths in\nsandbox-expose options. A malicious or compromised Flatpak app could\nuse app-controlled symlinks to access arbitrary host files and gain\ncode execution in the host context. This issue was addressed in Ubuntu\nUbuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-34078)\n\nIt was discovered that Flatpak did not properly validate paths when\nremoving outdated ld.so cache files. A malicious or compromised Flatpak\napp could use this issue to delete arbitrary files on the host.\n(CVE-2026-34079)","dates":{"published":"2026-09-10T08:44:18.000Z","modified":"2026-09-10T16:42:30.390Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"flatpak","name":"flatpak","label":"flatpak","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/flatpak","purlType":"deb","versions":[{"text":"< 1.0.9-0ubuntu0.4+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.5-0ubuntu0.5+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.12.7-1ubuntu0.1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.14.6-1ubuntu0.1+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.9-0ubuntu0.4+esm1 | < 1.6.5-0ubuntu0.5+esm1 | < 1.12.7-1ubuntu0.1+esm1 | < 1.14.6-1ubuntu0.1+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8741-1","label":"ubuntu.com/security/notices/USN-8741-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-34078","label":"ubuntu.com/security/CVE-2026-34078","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-34079","label":"ubuntu.com/security/CVE-2026-34079","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-34078","CVE-2026-34079"],"downstream":[],"duplicates":[],"related":["CVE-2026-34078","CVE-2026-34079"]},"timeline":[{"kind":"published","date":"2026-09-10T08:44:18.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-10T16:42:30.390Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T23:31:58.342Z","stale":false,"partial":false}}