CVE-2026-41326 (GCVE-0-2026-41326)

Vulnerability from cvelistv5 – Published: 2026-04-24 18:46 – Updated: 2026-09-01 12:04
VLAI
Title
Kata Containers: CopyFile Policy Subversion via Symlinks
Summary
Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. From v3.4.0 to v3.28.0, an oversight in the CopyFile policy (and perhaps the CopyFile handler) allows untrusted hosts to write to arbitrary locations inside the guest workload image. This can be used to overwrite binaries inside the guest and exfiltrate data from containers; even those running inside CVMs. This vulnerability is fixed in v3.29.0.
Severity
8.2 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 13:43 UTC
CWE
  • CWE-61 - UNIX Symbolic Link (Symlink) Following
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7760 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
kata-containers kata-containers Affected: >= 3.4.0, < 3.29.0
guessed Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4.19 Unaffected: 4.19.9.6.202606100451-0 , < * (rpm)
    cpe:/a:redhat:openshift:4.19::el9
Create a notification for this product.
Red Hat Confidential Compute Attestation     cpe:/a:redhat:confidential_compute_attestation:1
Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Show details on NVD website
To clipboard 

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