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VULNERABILITIES

CVE-2026-96279 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-96279 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2539417 [email protected]
https://github.com/flatpak/flatpak/security/advisories/GHSA-9rww-v4mm-x4jg [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-59Improper Link Resolution Before File Access ('Link Following')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-96279
NVD Published Date:
Sep 27, 2026
NVD Last Modified:
Sep 28, 2026
Source:
[email protected]