{"schema_version":1,"title":"Flatpak vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Flatpak: 2 in the last 7 days and 3 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-96276, was published on 23 September 2026.","url":"https://junglewise.ai/threats/technologies/flatpak","json_url":"https://junglewise.ai/threats/technologies/flatpak.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/flatpak","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":5,"critical":2,"exploited":0,"last_7_days":2,"last_30_days":3,"last_90_days":3,"last_365_days":5},"latest":[{"cve":"CVE-2026-96276","cvss":9.8,"epss":0.0046,"slug":"cve-2026-96276-if-a-malicious-sdk-container-declares-an-extension-point-with-a","title":"Flatpak path traversal in build-init extension handling","severity":"critical","exploited":false,"published_at":"2026-09-23T15:17:32.317+00:00","url":"https://junglewise.ai/threats/cve-2026-96276-if-a-malicious-sdk-container-declares-an-extension-point-with-a"},{"cve":"CVE-2026-96275","cvss":8.8,"epss":0.0036,"slug":"cve-2026-96275-a-malicious-or-compromised-flatpak-repository-can-write-attacker","title":"Flatpak arbitrary file write via path traversal in extra-data extraction","severity":"high","exploited":false,"published_at":"2026-09-23T15:17:32.18+00:00","url":"https://junglewise.ai/threats/cve-2026-96275-a-malicious-or-compromised-flatpak-repository-can-write-attacker"},{"cve":"CVE-2026-76925","cvss":5.8,"epss":0.001,"slug":"cve-2026-76925-flatpak-toctou-race-condition-in-systemhelper","title":"Flatpak TOCTOU race condition in SystemHelper","severity":"medium","exploited":false,"published_at":"2026-09-04T22:17:18.19+00:00","url":"https://junglewise.ai/threats/cve-2026-76925-flatpak-toctou-race-condition-in-systemhelper"},{"cve":"CVE-2026-34079","cvss":7.5,"epss":0.0032,"slug":"cve-2026-34079-flatpak-arbitrary-file-deletion-via-ld-so-cache-path-traversal","title":"Flatpak arbitrary file deletion via ld.so cache path traversal","severity":"high","exploited":false,"published_at":"2026-04-07T22:16:22.08+00:00","url":"https://junglewise.ai/threats/cve-2026-34079-flatpak-arbitrary-file-deletion-via-ld-so-cache-path-traversal"},{"cve":"CVE-2026-34078","cvss":10,"epss":0.0164,"slug":"cve-2026-34078-flatpak-sandbox-escape-via-symlink-following-in-sandbox-expose","title":"Flatpak sandbox escape via symlink following in sandbox-expose","severity":"critical","exploited":false,"published_at":"2026-04-07T22:16:21.93+00:00","url":"https://junglewise.ai/threats/cve-2026-34078-flatpak-sandbox-escape-via-symlink-following-in-sandbox-expose"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":1,"exploited":0,"vulnerabilities":2}],"related":[],"technology":{"hub":true,"name":"Flatpak","slug":"flatpak","vendor":{"name":"Flatpak","slug":"flatpak","url":"https://junglewise.ai/threats/vendors/flatpak"},"aliases":[],"category":"library","homepage":"https://flatpak.org/","repo_url":"https://github.com/flatpak/flatpak","description":"Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.","url":"https://junglewise.ai/threats/technologies/flatpak"},"most_severe":[{"cve":"CVE-2026-34078","cvss":10,"epss":0.0164,"slug":"cve-2026-34078-flatpak-sandbox-escape-via-symlink-following-in-sandbox-expose","title":"Flatpak sandbox escape via symlink following in sandbox-expose","severity":"critical","exploited":false,"published_at":"2026-04-07T22:16:21.93+00:00","url":"https://junglewise.ai/threats/cve-2026-34078-flatpak-sandbox-escape-via-symlink-following-in-sandbox-expose"},{"cve":"CVE-2026-96276","cvss":9.8,"epss":0.0046,"slug":"cve-2026-96276-if-a-malicious-sdk-container-declares-an-extension-point-with-a","title":"Flatpak path traversal in build-init extension handling","severity":"critical","exploited":false,"published_at":"2026-09-23T15:17:32.317+00:00","url":"https://junglewise.ai/threats/cve-2026-96276-if-a-malicious-sdk-container-declares-an-extension-point-with-a"},{"cve":"CVE-2026-96275","cvss":8.8,"epss":0.0036,"slug":"cve-2026-96275-a-malicious-or-compromised-flatpak-repository-can-write-attacker","title":"Flatpak arbitrary file write via path traversal in extra-data extraction","severity":"high","exploited":false,"published_at":"2026-09-23T15:17:32.18+00:00","url":"https://junglewise.ai/threats/cve-2026-96275-a-malicious-or-compromised-flatpak-repository-can-write-attacker"},{"cve":"CVE-2026-34079","cvss":7.5,"epss":0.0032,"slug":"cve-2026-34079-flatpak-arbitrary-file-deletion-via-ld-so-cache-path-traversal","title":"Flatpak arbitrary file deletion via ld.so cache path traversal","severity":"high","exploited":false,"published_at":"2026-04-07T22:16:22.08+00:00","url":"https://junglewise.ai/threats/cve-2026-34079-flatpak-arbitrary-file-deletion-via-ld-so-cache-path-traversal"},{"cve":"CVE-2026-76925","cvss":5.8,"epss":0.001,"slug":"cve-2026-76925-flatpak-toctou-race-condition-in-systemhelper","title":"Flatpak TOCTOU race condition in SystemHelper","severity":"medium","exploited":false,"published_at":"2026-09-04T22:17:18.19+00:00","url":"https://junglewise.ai/threats/cve-2026-76925-flatpak-toctou-race-condition-in-systemhelper"}],"generated_at":"2026-09-26T12:07:00.15149+00:00"}