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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 0 Information disclosure 1 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 1 No user interaction 1

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Weakness (CWE) CWE-22 Improper Limitation of a Pathname to a Restricted Directory 2

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Vendor: flatpak × Component: Flatpak-builder × Clear all filters

TI-2026-28833 CVE-2026-39977

flatpak-builder has a path traversal leading to arbitrary file read on host when installing licence files

Priority MEDIUM 64

flatpak-builder is a tool to build flatpaks from source.

CVSS 4.0HIGH 7.1· Network · No auth · User interaction · EPSS 0.00299 · Published 2026-04-09 · Fixed in 1.4.8 CWE-22

TI-2022-06058 CVE-2022-21682

flatpak-builder can access files outside the build directory.

Priority LOW 37

Flatpak is a Linux application sandboxing and distribution framework.

CVSS 3.1HIGH 7.7· Network · Low privileges · No interaction · EPSS 0.01841 · Published 2022-01-13 · Fixed in 1.12.3, 1.10.6 CWE-22

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