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.
History

Mon, 28 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Flatpak
Flatpak flatpak
Vendors & Products Flatpak
Flatpak flatpak

Mon, 28 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 27 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}


Sun, 27 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Flatpak: flatpak: path traversal issue in oci archive extraction via hardlinks
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-59
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-09-27T19:49:17.239Z

Updated: 2026-09-28T13:56:44.250Z

Reserved: 2026-09-22T20:43:23.241Z

Link: CVE-2026-96279

cve-icon Vulnrichment

Updated: 2026-09-28T13:55:50.871Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-27T20:16:53.043

Modified: 2026-09-29T21:29:07.663

Link: CVE-2026-96279

cve-icon Redhat

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