RHSA-2026:80973 — Security Advisory

An update for flatpak-builder is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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.