What is CVE-2026-9804?

CVE-2026-9804 is a high-severity vulnerability in Red Hat Openshift Virtualization 4, classified under Improper Link Resolution Before File Access. CVSS score: 7.7/10. Published 2026-05-28.

How severe is CVE-2026-9804?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Red Hat Openshift Virtualization 4

CVE-2026-9804

A flaw was found in KubeVirt's virt-exportserver component. An attacker with specific namespace-level access can exploit a path traversal vulnerability in the VMExport directory endpoint. By placing a symbolic link (symlink) within an expo…

EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Red Hat Openshift Virtualization 4

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-9804?: CVE-2026-9804 is a high-severity vulnerability in Red Hat Openshift Virtualization 4, classified under Improper Link Resolution Before File Access. CVSS score: 7.7/10. Published 2026-05-28.
How severe is CVE-2026-9804?: High severity. CVSS v3 base score is 7.7 out of 10.