CVE-2026-13622: Kubevirt: virt-handler-rhel9: kubevirt: virt-handler migration proxy follows symlinks allowing container escape to host

Overview

Severity

High (CVSS 8.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-09-09

Last Updated

2026-10-18

EPSS Score

0.20% (percentile: 9.5%)

Affected Products (2)

Other

• 21835-17084
• 21902-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-09: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-10-17: Information published.
• 2026-10-18: Information published.