{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13318", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-06-25T08:05:05.093Z", "datePublished": "2026-06-25T23:23:38.121Z", "dateUpdated": "2026-06-25T23:23:38.121Z"}, "containers": {"cna": {"title": "Virt-api-rhel9: kubevirt: kubevirt: ssrf in virt-api port-forward via unvalidated guest-agent-reported ip", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift Virtualization 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "container-native-virtualization/virt-api", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:container_native_virtualization:4"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Virtualization 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "container-native-virtualization/virt-api-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:container_native_virtualization:4"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-13318", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492659", "name": "RHBZ#2492659", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-06-25T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "description": "Server-Side Request Forgery (SSRF)", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-918: Server-Side Request Forgery (SSRF)", "workarounds": [{"lang": "en", "value": "Users who do not use bridge binding or secondary-only network interfaces for their VMs are not affected by this vulnerability. For environments using these configurations, cluster administrators can apply egress NetworkPolicy to the openshift-cnv namespace to restrict virt-api's outbound connections to known-legitimate destinations (launcher pod CIDRs and node IPs), which blocks the SSRF to arbitrary targets."}], "timeline": [{"lang": "en", "time": "2026-06-25T00:00:00.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-06-25T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Huzaifa Sidhpurwala (Red Hat)."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-06-25T23:23:38.121Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"acknowledgement": "This issue was discovered by Huzaifa Sidhpurwala (Red Hat).", "bugzilla": {"description": "virt-api-rhel9: kubevirt: KubeVirt: SSRF in virt-api port-forward via unvalidated guest-agent-reported IP", "id": "2492659", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492659"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-918", "details": ["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."], "mitigation": {"lang": "en:us", "value": "Users who do not use bridge binding or secondary-only network interfaces for their VMs are not affected by this vulnerability. For environments using these configurations, cluster administrators can apply egress NetworkPolicy to the openshift-cnv namespace to restrict virt-api's outbound connections to known-legitimate destinations (launcher pod CIDRs and node IPs), which blocks the SSRF to arbitrary targets."}, "name": "CVE-2026-13318", "package_state": [{"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/virt-api", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Fix deferred", "package_name": "container-native-virtualization/virt-api-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}], "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-13318\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-13318"], "statement": "Red Hat has rated this issue as Moderate impact. Only VMs configured with bridge binding or secondary-only network interfaces (which require a cluster administrator to have created a NetworkAttachmentDefinition) are affected.", "threat_severity": "Moderate"}

{"created": "2026-06-26T00:30:17.568523+00:00", "updated": "2026-06-26T00:30:17.568530+00:00", "vendors": []}