CVE-2026-86320

HIGHCVSS 7.80% EPSS

A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary code execution with the privileges of the user running flatpak-builder.

Published 2026-09-17 · last modified 2026-09-17

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.