Detections
Analytics
CVE-2026-86320
high
Description
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.
References
https://github.com/flatpak/flatpak-builder/security/advisories/GHSA-j5p8-jgjc-f3xv
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-81387