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CVE-2026-18676

5.1 medium SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.1NVD modified 2026-10-23 19:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 8