Vulnerability in Red Hat Container Native Virtualization 4.17
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: 0.005 (40.6th 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 Container Native Virtualization 4.17 — versions 1781757410
- Red Hat Container Native Virtualization 4.18 — versions 1781928221
- Red Hat Container Native Virtualization 4.19 — versions 1781590993
- Red Hat Container Native Virtualization 4.2 — versions 1781838712
- Red Hat Container Native Virtualization 4.20 — versions 1781838712
- Red Hat Container Native Virtualization 4.21 — versions 1782012918
- Red Hat Openshift Virtualization 4
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- RHBZ#2482487 (x_refsource_REDHAT, issue-tracking)
- RHSA-2026:27914 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2026:27983 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2026:28002 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2026:27903 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2026:27913 (x_refsource_REDHAT, vendor-advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-9804?
- CVE-2026-9804 is a high-severity vulnerability in Red Hat Container Native Virtualization 4.17, 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.