CVE-2026-97026

Flatpak creates temporary child repository directories within the user cache using world-writable permissions (0777) . On multi-user systems with a permissive umask, this flaw allows other local users to read or modify the temporary directories used during the installation of applications or runt...

CVE-2026-97026 Flatpak: flatpak: world-writable temporary child repositories in system-helper cache path

Flatpak creates temporary child repository directories under the user cache with world-writable permissions 0777. On multi-user systems with a permissive umask, other local users could read or modify the temporary directory used while installing apps or runtimes, potentially causing installation...

CVE-2026-97025 Flatpak: flatpak: world-readable oci authentication token in system-helper cache path

Flatpak writes the OCI repository authentication token with world-readable permissions 0644 in the system-helper's cache directory, allowing other local users on a multi-user system to read the token and impersonate the authenticated user against the OCI repository. Only OCI-based sources e.g. as...

CVE-2026-97025

The Flatpak application is vulnerable to a local information disclosure flaw where it writes the OCI repository authentication token with world-readable permissions (0644 ) in the system-helper's cache directory. This allows other local users on a multi-user system to read the token and impersona...