{"schema_version":1,"title":"Flatpak-Builder vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Flatpak-Builder: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-107466, was published on 8 October 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/technologies/flatpak-builder","json_url":"https://junglewise.ai/threats/technologies/flatpak-builder.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-builder","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":1,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":3},"latest":[{"cve":"CVE-2026-107466","cvss":6.1,"epss":0.0019,"slug":"cve-2026-107466-a-flaw-was-found-in-flatpak-builder-this-vulnerability-allows-an","title":"flatpak-builder local file disclosure via crafted manifest","severity":"medium","exploited":false,"published_at":"2026-10-08T08:16:34.193+00:00","url":"https://junglewise.ai/threats/cve-2026-107466-a-flaw-was-found-in-flatpak-builder-this-vulnerability-allows-an"},{"cve":"CVE-2026-86320","cvss":7.8,"epss":0.0022,"slug":"cve-2026-86320-flatpak-builder-arbitrary-code-execution-via-git-hooks-in-patch","title":"flatpak-builder arbitrary code execution via Git hooks in patch sources","severity":"high","exploited":false,"published_at":"2026-09-17T08:17:02.2+00:00","url":"https://junglewise.ai/threats/cve-2026-86320-flatpak-builder-arbitrary-code-execution-via-git-hooks-in-patch"},{"cve":"CVE-2026-39977","cvss":6.3,"epss":0.0029,"slug":"cve-2026-39977-flatpak-builder-is-a-tool-to-build-flatpaks-from-source-from-1-4","title":"flatpak-builder is a tool to build flatpaks from source. From 1.4.5 to before 1.4.8, the license-files manifest key…","severity":"medium","exploited":false,"published_at":"2026-04-09T20:16:26.66+00:00","url":"https://junglewise.ai/threats/cve-2026-39977-flatpak-builder-is-a-tool-to-build-flatpaks-from-source-from-1-4"}],"weekly":[{"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":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Flatpak","slug":"flatpak","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/flatpak"},{"name":"Flatpak Xdg-Desktop-Portal","slug":"xdg-desktop-portal","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/xdg-desktop-portal"}],"technology":{"hub":true,"name":"Flatpak-Builder","slug":"flatpak-builder","vendor":{"hub":true,"name":"Flatpak","slug":"flatpak","url":"https://junglewise.ai/threats/vendors/flatpak"},"aliases":[],"category":"build-tool","description":"Tool for building Flatpak applications from source code and project definitions.","url":"https://junglewise.ai/threats/technologies/flatpak-builder"},"most_severe":[{"cve":"CVE-2026-86320","cvss":7.8,"epss":0.0022,"slug":"cve-2026-86320-flatpak-builder-arbitrary-code-execution-via-git-hooks-in-patch","title":"flatpak-builder arbitrary code execution via Git hooks in patch sources","severity":"high","exploited":false,"published_at":"2026-09-17T08:17:02.2+00:00","url":"https://junglewise.ai/threats/cve-2026-86320-flatpak-builder-arbitrary-code-execution-via-git-hooks-in-patch"},{"cve":"CVE-2026-39977","cvss":6.3,"epss":0.0029,"slug":"cve-2026-39977-flatpak-builder-is-a-tool-to-build-flatpaks-from-source-from-1-4","title":"flatpak-builder is a tool to build flatpaks from source. From 1.4.5 to before 1.4.8, the license-files manifest key…","severity":"medium","exploited":false,"published_at":"2026-04-09T20:16:26.66+00:00","url":"https://junglewise.ai/threats/cve-2026-39977-flatpak-builder-is-a-tool-to-build-flatpaks-from-source-from-1-4"},{"cve":"CVE-2026-107466","cvss":6.1,"epss":0.0019,"slug":"cve-2026-107466-a-flaw-was-found-in-flatpak-builder-this-vulnerability-allows-an","title":"flatpak-builder local file disclosure via crafted manifest","severity":"medium","exploited":false,"published_at":"2026-10-08T08:16:34.193+00:00","url":"https://junglewise.ai/threats/cve-2026-107466-a-flaw-was-found-in-flatpak-builder-this-vulnerability-allows-an"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}