{"id":"GHSA-cgm6-wvp9-4g5h","revision":"f1e5ce375a8c4a6d8303ab1981213253","records":[{"revision":"f1e5ce375a8c4a6d8303ab1981213253","observedAt":"2026-11-04T18:05:41.076+00:00","statement":{"source":"osv","id":"GHSA-cgm6-wvp9-4g5h","aliases":["CVE-2026-13318"],"title":"KubeVirt virt-api port-forward handler vulnerable to SSRF via guest-controlled VMI IP address","description":"A server-side request forgery (SSRF) flaw was found in KubeVirt's virt-api port-forward handler. When processing a port-forward request to a VirtualMachineInstance (VMI), virt-api reads the target IP from vmi.Status.Interfaces[0].IP and passes it directly to net.Dial() without validation. For VMIs using non-masquerade network bindings (bridge or secondary-only), this IP is reported by the QEMU guest agent running inside the VM and is fully controllable by the VM owner. An attacker with kubevirt.io:edit permissions can create a VM with a modified guest agent that reports an arbitrary IP address, then request port-forward to establish a bidirectional TCP tunnel from virt-api's cluster-internal network position to any routable destination, bypassing NetworkPolicy isolation.","state":0,"publishedAt":"2026-06-26T00:32:07+00:00","modifiedAt":"2026-11-04T17:30:04.8349836+00:00","affected":[{"ecosystem":"Go","name":"kubevirt.io/kubevirt","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.10.0-rc.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-13318","https://github.com/kubevirt/kubevirt/pull/18753","https://github.com/kubevirt/kubevirt/commit/0f5fef3309417f454565412f56f571f48358853f","https://github.com/kubevirt/kubevirt/commit/df419a0f20aa7ddc9f4512431c3aed9a642ad1e1","https://access.redhat.com/security/cve/CVE-2026-13318","https://bugzilla.redhat.com/show_bug.cgi?id=2492659","https://github.com/kubevirt/kubevirt","https://github.com/kubevirt/kubevirt/releases/tag/v1.10.0-rc.0"],"sourceUrl":"https://github.com/advisories/GHSA-cgm6-wvp9-4g5h","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-cgm6-wvp9-4g5h","identifiers":["GHSA-cgm6-wvp9-4g5h","CVE-2026-13318"]},"retained":false,"historicalAffected":[]}],"coverage":[]}