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SRC: CVELISTV5 / SYNC: T-3M / LAG: 22M / REC: 386,851 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2026-13622

Kubevirt: virt-handler-rhel9: kubevirt: virt-handler migration proxy follows symlinks allowing container escape to host

HighPUBLISHEDCNA: redhat

CNA base score8.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

02 Description

CNA: redhat

Kubevirt: virt-handler-rhel9: kubevirt: virt-handler migration proxy follows symlinks allowing container escape to host

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.5% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-08-22.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

SCHEMA: 5.2

Published

2026-08-12 20:46Z23 DAYS AGO

Last updated

2026-08-23 13:23Z12 DAYS AGO

Reserved

2026-06-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

062582ec7e9ea6bc82d48af20c393ac3938a5cc35f6a584ddf0929693f729889

05 Affected products

PAIRS: 11

VendorProductVersionsPlatforms

Red HatRed Hat Container Native Virtualization 4.12Not specified—

Red HatRed Hat Container Native Virtualization 4.13Not specified—

Red HatRed Hat Container Native Virtualization 4.14Not specified—

Red HatRed Hat Container Native Virtualization 4.15Not specified—

Red HatRed Hat Container Native Virtualization 4.16Not specified—

Red HatRed Hat Container Native Virtualization 4.17Not specified—

Red HatRed Hat Container Native Virtualization 4.18Not specified—

Red HatRed Hat Container Native Virtualization 4.19Not specified—

Red HatRed Hat Container Native Virtualization 4.20Not specified—

Red HatRed Hat Container Native Virtualization 4.21Not specified—

Red HatRed Hat Container Native Virtualization 4.22Not specified—

06 References

REFS: 13

access.redhat.comRHEA-2026:53670https://access.redhat.com/errata/RHEA-2026:53670vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:51031https://access.redhat.com/errata/RHSA-2026:51031vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53655https://access.redhat.com/errata/RHSA-2026:53655vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53671https://access.redhat.com/errata/RHSA-2026:53671vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53684https://access.redhat.com/errata/RHSA-2026:53684vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53721https://access.redhat.com/errata/RHSA-2026:53721vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53728https://access.redhat.com/errata/RHSA-2026:53728vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53763https://access.redhat.com/errata/RHSA-2026:53763vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53797https://access.redhat.com/errata/RHSA-2026:53797vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53826https://access.redhat.com/errata/RHSA-2026:53826vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2026:53838https://access.redhat.com/errata/RHSA-2026:53838vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-13622vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2494142https://bugzilla.redhat.com/show_bug.cgi?id=2494142issue-trackingx_refsource_REDHAT