Summary
Flatpak-builder is a tool for building flatpaks from sources.
Security Fix(es):
* flatpak-builder: Host code execution via `git am` hook execution in patch source extraction (`use-git-am`) (CVE-2026-86320)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | flatpak-builder | 1.2.3-2.el8_10 |
Vulnerabilities 1
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High 7.8
Flatpak-builder: host code execution via `git am` hook execution in patch source extraction (`use-git-am`)
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 b…