Security Advisory

CVE-2026-18676

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-12 18:42:38

Last updated 2026-08-13 14:50:43

Assigner Kong

CVSS score 5.1

State PUBLISHED

Description

The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. Due to a CORS misconfiguration a cross-origin fetch() from a malicious page returns the admin JWT and signing material.

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