CVE-2026-97025 Flatpak: flatpak: world-readable oci authentication token in system-helper cache path
Local attackers can read world-readable OCI authentication tokens from the Flatpak system-helper cache to impersonate users against OCI repositories.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-97025?
CVE-2026-97025 is a low-severity vulnerability in Red Hat Enterprise Linux 10, published on 28 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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 used by Fedora) are affected; libostree-based sources such as Flathub are not.
Weakness: CWE-378
Which versions are affected by CVE-2026-97025?
How do I fix CVE-2026-97025?
Apply the vendor's patch.
Is CVE-2026-97025 being exploited?
There is no known exploitation of CVE-2026-97025 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-97025, UBUNTU-CVE-2026-97025.