CVE-2023-22480

KubeOperator is vulnerable to unauthorized access to system API

7.3 High

KubeOperator is an open source Kubernetes distribution focused on helping enterprises plan, deploy and operate production-level K8s clusters. In KubeOperator versions 3.16.3 and below, API interfaces with unauthorized entities and can leak sensitive information. This vulnerability could be used to take over the cluster under certain conditions. This issue has been patched in version 3.16.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

66.8%Up 65.8 points since Jan 14, 2023

What each source reports

CVE List Score used 7.3

KubeOperator is vulnerable to unauthorized access to system API

Record: CVE-2023-22480
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-285
Updated: 2026-11-02

EUVDEUVD-2023-0499 7.3

Record: EUVD-2023-0499
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jxgp-jgh3-8jc8 7.3

KubeOperator allows unauthorized access to system API

Summary

Unauthorized access refers to the ability to bypass the system's preset permission settings to access some API interfaces. The attack exploits a flaw in how online applications handle routing permissions.

Affected Version

<= v3.16.3

Patches

The vulnerability has been fixed in v3.16.3.

https://github.com/KubeOperator/KubeOperator/commit/7ef42bf1c16900d13e6376f8be5ecdbfdfb44aaf

Workarounds

It is recommended to upgrade the version to v3.16.4.

For more information

If you have any questions or comments about this advisory, please open an issue.

References

https://github.com/KubeOperator/KubeOperator/releases/tag/v3.16.4

Record: GHSA-jxgp-jgh3-8jc8
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-285, CWE-863
Updated: 2026-11-02

NVD 7.3

Record: CVE-2023-22480
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-285, CWE-863
Updated: 2026-11-02

OSV 7.3

KubeOperator is vulnerable to unauthorized access to system API

Record: CVE-2023-22480
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-285
Updated: 2026-11-02

OSVGHSA-jxgp-jgh3-8jc8 7.3

KubeOperator allows unauthorized access to system API

Summary

Affected Version

<= v3.16.3

Patches

The vulnerability has been fixed in v3.16.3.

https://github.com/KubeOperator/KubeOperator/commit/7ef42bf1c16900d13e6376f8be5ecdbfdfb44aaf

Workarounds

It is recommended to upgrade the version to v3.16.4.

For more information

If you have any questions or comments about this advisory, please open an issue.

References

https://github.com/KubeOperator/KubeOperator/releases/tag/v3.16.4

Record: GHSA-jxgp-jgh3-8jc8
CVSS 3.1: 7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-285, CWE-863
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/KubeOperator/KubeOperator` Go	through 3.16.3	None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	KubeOperator Foreground `kubeconfig` - File Download

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-22480 is a high vulnerability (CVSS 7.3) in Fit2cloud Kubeoperator, published January 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 66.8%, the 99th percentile. No source names a fixed version.