MEDIUM 6.5 NVD
CVE-2026-96279
A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remot
A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.
References
- https://access.redhat.com/security/cve/CVE-2026-96279
- https://bugzilla.redhat.com/show_bug.cgi?id=2539417
- https://github.com/flatpak/flatpak/security/advisories/GHSA-9rww-v4mm-x4jg
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-27 via NVD.
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