Detections
Analytics

SCA: security update for kubevirt.io/kubevirt (GHSA-q3jc-42cq-33fj)

medium Tenable Self-Hosted Container Security Plugin ID 478349

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes
 data to a launcher-rooted path using os.WriteFile and os.Chown without symlink protection. A user with
 access to the virt-launcher container can plant a symlink at the cache file path, causing virt-handler to
 follow it and overwrite an arbitrary host file with JSON content and change its ownership.
 (CVE-2026-13218)

Solution

There is no known solution at this time.

See Also

https://github.com/advisories/GHSA-q3jc-42cq-33fj

Plugin Details

Severity: Medium

ID: 478349

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 11/4/2026

Updated: 11/4/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.66

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 2.4

Temporal Score: 1.8

Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:P

CVSS Score Source: CVE-2026-13218

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-13218

cwe: CWE-61