CVE-2026-61459: mcp-server-kubernetes before 3.9.0 (exclusive), 0 to before 3.9.0

CVE-2026-61459. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.02362 (percentile 0.83678), scored 24-Oct-2026.

Affected technology

mcp-server-kubernetes · before 3.9.0 (exclusive)
suyogs

mcp-server-kubernetes · 0 to before 3.9.0
Flux159

Description’s affected range: before 3.9.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Attackers can inject the --server flag to redirect kubectl commands to an attacker-controlled API server, causing the operator's bearer token to be transmitted externally and enabling full cluster compromise. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-88
CCR priority: 39.8 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.02362 · percentile 0.83661 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-61459.html