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CVE-2026-7374

CRITICALCVSS 9.9/10EPSS 0.60%

Last modified

CVE-2026-7374 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

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 the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.

Metrics

CVSS 3.1
9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.60%

45.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Red HatRed Hat Container Native Virtualization 4.12All versions
Red HatRed Hat Container Native Virtualization 4.13All versions
Red HatRed Hat Container Native Virtualization 4.14All versions
Red HatRed Hat Container Native Virtualization 4.15All versions
Red HatRed Hat Container Native Virtualization 4.16All versions
Red HatRed Hat Container Native Virtualization 4.17All versions
Red HatRed Hat Container Native Virtualization 4.18All versions
Red HatRed Hat Container Native Virtualization 4.19All versions
Red HatRed Hat Container Native Virtualization 4.2All versions
Red HatRed Hat Container Native Virtualization 4.21All versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is 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 the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
How severe is CVE-2026-7374?
CVE-2026-7374 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2026-7374?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST