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VULNERABILITIES

CVE-2026-18678 Details

Description

When an operator adds an HTTPS control plane profile to kumactl without providing a CA certificate, kumactl disables TLS verification and sends API tokens over the unverified connection. An attacker on the network path between the operator and the control plane can intercept user or admin API tokens and then act against the control plane as that user.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://developer.konghq.com/mesh/changelog/ Kong
https://github.com/kumahq/kuma/pull/16777 Kong
https://github.com/kumahq/kuma/security/advisories/GHSA-v95x-xhq5-4929 Kong

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate ValidationKong

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-18678
NVD Published Date:
Aug 12, 2026
NVD Last Modified:
Aug 31, 2026
Source:
Kong
CVE-2026-18678 Details - Not Deferred