CVE-2020-2026: A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into…

PriorityP345high8.8CVSS 3.1

AVLACLPRLUINSCCHIHAH

EPSS

0.47%

38.5th percentile

A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.

Affected

10 ranges

Vendor	Product	Version range	Fixed in
fedoraproject	fedora	—	—
github.com	kata-containers_runtime	>= 0 < 1.9.1	1.9.1
github.com	kata-containers_runtime	>= 1.10.0 < 1.10.6	1.10.6
github.com	kata-containers_runtime	>= 1.11.0 < 1.11.1	1.11.1
kata_containers	kata_containers	1 – 1.9	—
kata_containers	kata_containers	>= 1.10 < 1.10.5	1.10.5
kata_containers	kata_containers	>= 1.11 < 1.11.1	1.11.1
katacontainers	runtime	<= 1.9	—
katacontainers	runtime	>= 1.10 < 1.10.5	1.10.5
katacontainers	runtime	>= 1.11 < 1.11.1	1.11.1

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.