CVE-2026-7374

criticalpriority · track · 0EPSS 0.007 · 55 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.74% (55th) EPSS

CVSS 9.9 · critical

Is it mine?

24 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · secalert@redhat.com USexploitability 3.1 · impact 6

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 3.1 · impact 6

v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · OSV

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USCWE-59US

affected products (24)

Products and version ranges known to be affected.

Red Hat OpenShift Virtualization 4.12all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.12
Red Hat OpenShift Virtualization 4.13all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.13
Red Hat OpenShift Virtualization 4.14all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.14
Red Hat OpenShift Virtualization 4.15all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.15
Red Hat OpenShift Virtualization 4.16all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.16
Red Hat OpenShift Virtualization 4.17all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.17
Red Hat OpenShift Virtualization 4.18all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.18
Red Hat OpenShift Virtualization 4.19all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.19
Red Hat OpenShift Virtualization 4.20all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.20
Red Hat OpenShift Virtualization 4.21all versionscert_bundDEcpe:/a:redhat:openshift:virtualization__4.21
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Red Hat Red Hat Container Native Virtualization 4.12< 1779375376enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.13< 1778999881enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.14< 1779321599enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.15< 1778859977enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.16< 1778861274enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.17< 1779174925enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.18< 1778887155enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.19< 1779289071enisa_euvdEU
Red Hat Red Hat Container Native Virtualization 4.2< 1779288737enisa_euvdEU

showing 20 of 24

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1680Red Hat OpenShift Virtualization: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2026-05-26csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat OpenShift Virtualization ausnutzen, um seine Privilegien zu erhöhen.
GHSA-7jcp-v9w4-wjmgKubeVirt has a Link Following vulnerability2026-05-26ghsa · osvUS
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.
GO-2026-5848KubeVirt has a Link Following vulnerability in kubevirt.io/kubevirt2026-07-07vendor · osvUS
KubeVirt has a Link Following vulnerability in kubevirt.io/kubevirt

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund NVD CVE.org MITRE

published 2026-05-26modified 2026-09-10

references (27)

External citations — patches, advisories, analysis.

scry

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