CVE-2022-1798: Path Traversal vulnerability in Kubevirt

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-09-15 · updated 2026-06-17
Weakness: CWE-20

Description

A path traversal vulnerability in KubeVirt versions up to 0.56 (and 0.55.1) on all platforms allows a user able to configure the kubevirt to read arbitrary files on the host filesystem which are publicly readable or which are readable for UID 107 or GID 107. /proc/self/<> is not accessible.

Affected products

kubevirt: from 0.20.0 before 0.55.1 — fixed in 0.55.1

How to fix

Upgrade to a fixed version: kubevirt 0.55.1. Check the vendor advisory for mitigations.

References

https://github.com/kubevirt/kubevirt/security/advisories/GHSA-qv98-3369-g364
https://github.com/kubevirt/kubevirt/security/advisories/GHSA-qv98-3369-g364

Get alerted when CVE-2022-1798 or the next vulnerability affects your stack