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CVE-2026-24834

9.3 · CRITICAL

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

Published Feb 19, 2026CWE-732EPSS 0.24%

Overview

CVE-2026-24834 is a critical-severity vulnerability. It was published on February 19, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It requires local or adjacent network access to exploit. 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. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM ultimately achieving arbitrary code execution as root in said VM. The current understanding is this doesn’t impact the security of the Host or of other containers / VMs running on that Host (note that arm64 QEMU lacks NVDIMM read-only support: It is believed that until the upstream QEMU gains this capability, a guest write could reach the image file). Version 3.27.0 patches the issue.

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/6a672503973bf7c687053e459bfff8a9652e16bfGitHubgithub.com/kata-containers/kata-containers/releases/tag/3.27.0GitHubgithub.com/kata-containers/kata-containers/security/advisories/GHSA-wwj6-vghv-5p64Refaccess.redhat.com/security/cve/CVE-2026-24834Refbugzilla.redhat.com/show_bug.cgi?id=2441025Refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24834.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-24834?

CVE-2026-24834 is a critical-severity vulnerability. It was published on February 19, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

How severe is CVE-2026-24834?

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-24834?

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-2026-24834?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-24834 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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