CVE-2026-7374 (GCVE-0-2026-7374)

Vulnerability from cvelistv5 – Published: 2026-05-26 13:14 – Updated: 2026-05-28 02:39
VLAI
Title
Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability
Summary
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.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:20720 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20736 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20763 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20767 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20782 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20825 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20866 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20886 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20890 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20975 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-7374 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2463728 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Container Native Virtualization 4.12 Unaffected: 1779375376 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.12::el8
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Red Hat Red Hat Container Native Virtualization 4.13 Unaffected: 1778999881 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.13::el9
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Red Hat Red Hat Container Native Virtualization 4.14 Unaffected: 1779321599 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.14::el9
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Red Hat Red Hat Container Native Virtualization 4.15 Unaffected: 1778859977 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.15::el9
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Red Hat Red Hat Container Native Virtualization 4.16 Unaffected: 1778861274 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.16::el9
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Red Hat Red Hat Container Native Virtualization 4.17 Unaffected: 1779174925 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.17::el9
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Red Hat Red Hat Container Native Virtualization 4.18 Unaffected: 1778887155 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.18::el9
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Red Hat Red Hat Container Native Virtualization 4.19 Unaffected: 1779289071 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.19::el9
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Red Hat Red Hat Container Native Virtualization 4.2 Unaffected: 1779288737 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.20::el9
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Red Hat Red Hat Container Native Virtualization 4.21 Unaffected: 1779420069 , < * (rpm)
    cpe:/a:redhat:container_native_virtualization:4.21::el9
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Date Public
2026-05-26 12:30
Credits
This issue was discovered by Sarah Bennert (Red Hat) and Stoyan Nikolov (Red Hat).
Show details on NVD website
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[\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2463728\", \"name\": \"RHBZ#2463728\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Update cluster RBAC to not allow exec into virt-launcher pods.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in KubeVirt\u0027s virt-handler component. 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      "cveMetadata": "{\"cveId\": \"CVE-2026-7374\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-28T02:39:19.160Z\", \"dateReserved\": \"2026-04-29T06:46:44.106Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-05-26T13:14:53.851Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.