CVE-2026-7374: Red Hat Container Native Virtualization 4.12 kubevirt · Link Following
Affects Red Hat Container Native Virtualization 4.12 kubevirtSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical · fixed in Red Hat Container Native Virtualization 4.12 package updates : patch Red Hat Container Native Virtualization 4.12 kubevirt as a priority.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.8.3, 1.7.4, 1.6.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade kubevirt to 1.8.3, 1.7.4 or 1.6.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubkubevirtpkg:github/kubevirtOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
According to the Red Hat advisories RHSA-2026:20720 and RHSA-2026:20736, no fixes are currently available for this vulnerability in Red Hat Container Native Virtualization. Users are advised to apply all previously released errata relevant to their systems. If you cannot patch yet, restrict edit permissions in namespaces to trusted users only and monitor for suspicious activity related to virt-handler socket connections.
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.
References
- access.redhat.com/errata/RHSA-2026:20720 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20736 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20763 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20767 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20782 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20825 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20866 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20886 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20890 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:20975 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-7374 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2463728 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7374.json (opens in a new tab)