EUVD-2026-57615

A symlink following vulnerability was found in KubeVirt's virt-handler migration proxy. During live migration, virt-handler dials Unix sockets inside the target virt-launcher pod via /proc//root/ paths using net.Dial without symlink protection. These socket paths reside in qemu-owned directories...

CVE-2026-13622

A symlink following vulnerability was found in KubeVirt's virt-handler migration proxy. During live migration, virt-handler dials Unix sockets inside the target virt-launcher pod via /proc//root/ paths using net.Dial without symlink protection. These socket paths reside in qemu-owned directories...

Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code

A flaw was found in the SPDY streaming code used by Kubelet, CRI-O, and kube-apiserver. An attacker with specific cluster roles, such as those allowing access to pod port forwarding, execution, or attachment, or node proxying, could exploit this vulnerability. This could lead to a Denial of Servi...

Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.19.42 security update

Red Hat build of MicroShift release 4.19.42 is now available with updates to packages and images that include a security update. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code

A flaw was found in the SPDY streaming code used by Kubelet, CRI-O, and kube-apiserver. An attacker with specific cluster roles, such as those allowing access to pod port forwarding, execution, or attachment, or node proxying, could exploit this vulnerability. This could lead to a Denial of Servi...

CVE-2026-15809

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

CVE-2026-15809 Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

CVE-2026-15809 Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

CVE-2026-15809

A flaw was found in CRI-O. The fix for a previous vulnerability CVE-2022-4318 was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitra...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.24 security and extras update

Red Hat OpenShift Container Platform release 4.21.24 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...

CVE-2026-47262

A flaw was found in containerd, an open-source container runtime. A remote attacker could exploit this vulnerability by providing a maliciously crafted image. When a container is created from this image, it leads to uncontrolled resource consumption and memory exhaustion, causing the containerd...

SUSE CVE-2024-5154

A flaw was found in cri-o. A malicious container can create a symbolic link to arbitrary files on the host via directory traversal “../“. This flaw allows the container to read and write to arbitrary files on the host system...

CVE-2026-7374

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

PT-2026-43242

Name of the Vulnerable Software and Affected Versions KubeVirt affected versions not specified Description A flaw in the virt-handler component allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.42 security and extras update

Red Hat OpenShift Container Platform release 4.18.42 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.18. Red Hat Product Security has rated this update as having a security impact of...

RHCOS 4 : OpenShift Container Platform 4.1.17 cri-o (RHSA-2019:2825)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:2825 advisory. - containers/image: not enforcing TLS when sending username+password credentials to token servers leading to credential disclosure...

RHCOS 4 : OpenShift Container Platform 4.7.45 (RHSA-2022:0870)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2022:0870 advisory. - cri-o: pod with access to 'hostIPC' and 'hostNetwork' kernel namespace allows sysctl from the list of safe sysctls to be applied t...

RHCOS 4 : OpenShift Container Platform 4.9.25 (RHSA-2022:0860)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2022:0860 advisory. - CRI-O: Arbitrary code execution in cri-o via abusing kernel.corepattern kernel parameter CVE-2022-0811 Note that Nessus has not tested for...

RHCOS 3 : OpenShift Container Platform 3.9 cri-o (RHSA-2019:3812)

The remote Red Hat Enterprise Linux CoreOS 3 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2019:3812 advisory. - containers/image: not enforcing TLS when sending username+password credentials to token servers leading to credential disclosure...

RHCOS 4 : OpenShift Container Platform 4.2.36 cri-o (RHSA-2020:2776)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2776 advisory. - cri-o: infra container reparented to systemd following OOM Killer killing it's conmon CVE-2019-14891 Note that Nessus has not tested for th...