What is CVE-2026-96279?

CVE-2026-96279 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Link Resolution Before File Access. CVSS score: 6.5/10. Published 2026-09-27.

How severe is CVE-2026-96279?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

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 remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.

Published 2026-09-27 · last modified 2026-09-27.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

access.redhat.com/security/cve/CVE-2026-96279 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
github.com/flatpak/flatpak/security/advisories/GHSA-9rww-v4mm-x4jg

Frequently asked questions

What is CVE-2026-96279?: CVE-2026-96279 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Improper Link Resolution Before File Access. CVSS score: 6.5/10. Published 2026-09-27.
How severe is CVE-2026-96279?: Medium severity. CVSS v3 base score is 6.5 out of 10.