What is CVE-2026-46519?

CVE-2026-46519 is a high-severity vulnerability in Flux159 Mcp-server-kubernetes, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-06-11.

How severe is CVE-2026-46519?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Flux159 Mcp-server-kubernetes

CVE-2026-46519

mcp-server-kubernetes is a Model Context Protocol server for Kubernetes cluster management. Prior to version 3.6.0, mcp-server-kubernetes exposes three environment variables (ALLOW_ONLY_READONLY_TOOLS, ALLOW_ONLY_NON_DESTRUCTIVE_TOOLS, ALL…

Vulnerability class: Broken Access Control

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flux159 Mcp-server-kubernetes — versions < 3.6.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46519?: CVE-2026-46519 is a high-severity vulnerability in Flux159 Mcp-server-kubernetes, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-06-11.
How severe is CVE-2026-46519?: High severity. CVSS v3 base score is 8.8 out of 10.