CVE-2026-64676

A flaw was found in Kata Containers. When the mem-agent feature is enabled, an untrusted host can bypass authorization checks in the kata-agent's memory management. This allows the host to tamper with in-guest memory, leading to attacker-controlled availability and performance degradation of...

CVE-2026-100838

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-100833

Contrast edgelesssys/contrast versions 1.14.0 before 1.23.1 generate runtime policies that fail to detect all container image substitutions. A bad rebase during a Kata Containers update accidentally introduced an allowstorage rule that accepts storage entries using the imageguestpull driver witho...

CVE-2026-100838

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-100838 Contrast before 1.19.1 CopyFile Policy Symlink Subversion

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-100838

The Contrast confidential-computing runtime for Kubernetes (versions before 1.19.1 ) contains a flaw in the CopyFile verification of policies generated by the Contrast CLI. This vulnerability allows a malicious process on an untrusted host, capable of connecting to the Kata agent VSOCK , to issue...

CVE-2026-100838 Contrast before 1.19.1 CopyFile Policy Symlink Subversion

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

EUVD-2026-87850

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-100838 Contrast before 1.19.1 CopyFile Policy Symlink Subversion

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-100833 Contrast before 1.23.1 Image Substitution via Policy Generation

Contrast edgelesssys/contrast versions 1.14.0 before 1.23.1 generate runtime policies that fail to detect all container image substitutions. A bad rebase during a Kata Containers update accidentally introduced an allowstorage rule that accepts storage entries using the imageguestpull driver witho...

EUVD-2026-87853

Contrast edgelesssys/contrast versions 1.14.0 before 1.23.1 generate runtime policies that fail to detect all container image substitutions. A bad rebase during a Kata Containers update accidentally introduced an allowstorage rule that accepts storage entries using the imageguestpull driver witho...

CVE-2025-71424 Edgeless Systems Contrast before 1.9.1 Insecure Volume Mount

Contrast, Edgeless Systems' runtime for confidential containers on Kubernetes, is affected in versions up to and including 1.9.0. The VOLUME directive in a Dockerfile config.volumes in the OCI image configuration is only a hint and is not handled specially by Kubernetes, but containerd adds a mou...

CVE-2025-71424 Edgeless Systems Contrast before 1.9.1 Insecure Volume Mount

Contrast, Edgeless Systems' runtime for confidential containers on Kubernetes, is affected in versions up to and including 1.9.0. The VOLUME directive in a Dockerfile config.volumes in the OCI image configuration is only a hint and is not handled specially by Kubernetes, but containerd adds a mou...

PT-2026-99453

Name of the Vulnerable Software and Affected Versions Contrast versions 1.14.0 through 1.23.0 Description Runtime policies are generated that fail to detect all container image substitutions. This occurs because an allow storage rule accepts storage entries using the image guest pull driver witho...

CVE-2026-100838: Improper Link Resolution Before File Access

Contrast is a confidential-computing runtime for Kubernetes. In versions before 1.19.1, the Kata agent policies generated by the Contrast CLI contained a flaw in the CopyFile verification that allowed arbitrary writes to the guest root filesystem. A malicious process on the untrusted host able to...

CVE-2026-64676 Kata Containers: Unauthorized mem-agent ttRPC methods let an untrusted host tamper with confidential-guest memory

Kata Containers is an open source implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 4.0.0, the kata-agent is vulnerable to an authorization bypass in confidential-guest memory management. In Confidential Containers CoCo deployments, the kata-age...

PT-2026-69153

Name of the Vulnerable Software and Affected Versions Kata Containers versions prior to 4.0.0 Description The kata-agent contains an authorization bypass in confidential-guest memory management. In Confidential Containers CoCo deployments, the kata-agent uses an OPA/Rego-based AgentPolicy to...

CVE-2026-64676: Missing Authorization

Kata Containers is an open source implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 4.0.0, the kata-agent is vulnerable to an authorization bypass in confidential-guest memory management. In Confidential Containers CoCo deployments, the kata-age...

GHSA-RH99-WC69-C255 Contras Affected by CopyFile Policy Subversion via Symlinks

Impact The Kata agent policies generated by the Contrast CLI had an issue in the CopyFile verification, which allowed arbitrary writes to the guest root filesytem. A malicious process on the host with the capability to connect to the Kata agent VSOCK could connect to the agent and issue a series ...

PT-2026-39556

Impact The Kata agent policies generated by the Contrast CLI had an issue in the CopyFile verification, which allowed arbitrary writes to the guest root filesytem. A malicious process on the host with the capability to connect to the Kata agent VSOCK could connect to the agent and issue a series ...