CVE-2026-13218

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13322 Kubevirt: virt-handler-rhel9: kubevirt: unbounded virtio-serial readline in virt-handler causes oom denial of service

A flaw was found in KubeVirt's downward metrics virtio-serial server. The server reads guest requests using textproto.Reader.ReadLine, which buffers input indefinitely until a newline character is received, with no length limit or read deadline. A user with access to a VM guest that has the...

CVE-2026-13322

CVE-2026-13322 affects KubeVirt, specifically the virt-handler on RHEL9, where the downward metrics virtio-serial server uses textproto.Reader.ReadLine() to read guest requests. The read is unbounded: there is no maximum length or read deadline, so a user with access to a VM guest can send an ong...

CVE-2026-13322 Kubevirt: virt-handler-rhel9: kubevirt: unbounded virtio-serial readline in virt-handler causes oom denial of service

A flaw was found in KubeVirt's downward metrics virtio-serial server. The server reads guest requests using textproto.Reader.ReadLine, which buffers input indefinitely until a newline character is received, with no length limit or read deadline. A user with access to a VM guest that has the...

CVE-2026-13218: UNIX Symbolic Link (Symlink) Following

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13318: Server-Side Request Forgery (SSRF)

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.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

CVE-2026-13318 Virt-api-rhel9: kubevirt: kubevirt: ssrf in virt-api port-forward via unvalidated guest-agent-reported ip

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.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

CVE-2026-13318

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.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

CVE-2026-13318

KubeVirt exposes an SSRF in virt-api port-forward: when handling a port-forward to a VirtualMachineInstance, virt-api reads vmi.Status.Interfaces[0].IP and dials it without validation. For VMIs using non-masquerade networks (bridge or secondary-only), this IP is supplied by the in-guest QEMU agen...

CVE-2026-13318

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.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

CVE-2026-13218 Kubevirt: kubevirt: symlink following in writetocachedfile allows host file overwrite from virt-launcher

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13218

CVE-2026-13218 : In KubeVirt, the virt-handler network cache handling allows a symlink attack via WriteToCachedFile, which writes to a launcher-rooted path with os.WriteFile and os.Chown. A user inside the virt-launcher container can place a symlink at the cache path, causing virt-handler to foll...

CVE-2026-13218 Kubevirt: kubevirt: symlink following in writetocachedfile allows host file overwrite from virt-launcher

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13218

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13218

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

CVE-2026-13218

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...

UNIX Symbolic Link (Symlink) Following

Overview Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following through the WriteToCachedFile function when handling network cache files in certain configurations. An attacker can overwrite specific host files and change their ownership by planting a symbolic lin...

UNIX Symbolic Link (Symlink) Following

Overview Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following through the WriteToCachedFile function when handling network cache files in certain configurations. An attacker can overwrite specific host files and change their ownership by planting a symbolic lin...

PT-2026-52632

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.Interfaces0.IP and passes it directly to net.Dial without validation. For VMIs using...

PT-2026-52631

A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with access to the virt-launcher container can plant a symlink at the cache file path, causin...