CVE-2026-96275

A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extractextradata. On system installs, the write happens as root. Two issues combine: "files/extra" is resolved via path operations that follow symlinks, and blob...

Flatpak path traversal vulnerability

Flatpak has a path traversal vulnerability. This vulnerability arises because the files/extra path operations in the extractextradata function follow symbolic links, and the blob names in xa.extra-data-sources are not protected against path traversal. As a result, malicious or compromised Flatpak...