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OESA-2026-4074 flatpak-builder security update

🗓️ 25 Sep 2026 01:28:05Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Malicious Git post-applypatch hooks in flatpak-builder allow arbitrary code execution.

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CVE-2026-86320 Flatpak-builder: host code execution via `git am` hook execution in patch source extraction (`use-git-am`)
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22 Sep 202600:00
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17 Sep 202608:17
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25 Sep 2026 01:45Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.8
EPSS0.00221
2