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8.2 High

CVE-2026-41326 Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)…

Description

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy (and perhaps the CopyFile handler) allows untrusted hosts to write to arbitrary locations inside the guest workload image. This can be used to overwrite binaries inside the guest and exfiltrate data from containers; even those running inside CVMs. This vulnerability is fixed in v3.29.0.

Affected products and versions

Product Affected versions Fixed in
kata-containers 3.4 3.4.0 → < 3.29.0 3.29.0
Red Hat OpenShift Container Platform 4.19 4.19 earliest → < 4.19.9.6.202606100451-0 4.19.9.6.202606100451-0
Confidential Compute Attestation Versions not published
Red Hat OpenShift Container Platform 4 Versions not published

References

Timeline

  1. Published
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Other CVEs of kata-containers

The 8 CVEs of kata-containers →
CVE-2026-64676 Kata Containers is an open source implementation of lightweight Virtual Machines (VMs) that perform like containers 5.7 Medium CVE-2026-47243 Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)… 9.2 Critical CVE-2026-50540 Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)… 9.6 Critical CVE-2026-44210 Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)… 5.8 Medium
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