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CVE-2026-34078 Flatpak has a complete sandbox escape leading to host file access and code execution in the host context

🗓️ 07 Apr 2026 21:27:45Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Flatpak before 1.16.4 allows sandbox-expose via app-controlled symlinks, enabling host file access and code execution.

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16 Jul 2026 03:31Current
7.8High risk
Vulners AI Score7.8
CVSS 49.3
EPSS0.0168
1