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CVE-2026-41326

8.2 · HIGH

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers.

Published Apr 24, 2026CWE-61EPSS 0.37%

Overview

CVE-2026-41326 is a high-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/kata-containers/kata-containers/commit/1b9e49eb2763aa6ea6a99b276d3ff5e2c7f658f2GitHubgithub.com/kata-containers/kata-containers/security/advisories/GHSA-q49m-57vm-c8ccRefwww.openwall.com/lists/oss-security/2026/05/13/2Refaccess.redhat.com/errata/RHSA-2026:25200Refaccess.redhat.com/security/cve/CVE-2026-41326Refbugzilla.redhat.com/show_bug.cgi?id=2460859GitHubgithub.com/kata-containers/kata-containers/security/advisories/GHSA-q49m-57vm-c8ccRefsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41326.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-41326?

CVE-2026-41326 is a high-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-41326?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-41326?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-41326?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-41326 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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