SEPTEMBER 17, 2026
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Case File

CVE-2026-71566

CRITICAL · CVSS 9.3 EPSS 0.21% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-17 · Last synced 2026-09-16

CyberRota Analysis

AI-Generated

FakeFish is vulnerable due to its improper handling of incoming credentials, which are not validated in KubeVirt environments, allowing any cluster user to manipulate VMs created by the FakeFish user. This critical flaw can lead to unauthorized control over virtual machines, including the ability to power them on and off and mount arbitrary CD images. Organizations utilizing KubeVirt should prioritize patching this vulnerability to mitigate the risk of unauthorized access and potential data breaches.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-71566
Severity
CRITICAL
CVSS
9.3
EPSS
0.21%

Original NVD Description

FakeFish handles incoming credentials by passing them down to scripts. This works for real hardware because in the end it's up to the BMC to validate them. However, KubeVirt relies on a KUBECONFIG file mounted to the container and completely ignores the credentials. This allows any user of the cluster to control VMs of the user that created fakefish, power them on and off, and mount arbitrary CD images to them.