CVE-2026-18676 - Kong Mesh: default control plane config leaks the admin token cross-origin via a CORS wildcard and localhost admin

CVE-2026-18676 - Kong Mesh: default control plane config leaks the admin token cross-origin via a CORS wildcard and localhost admin

https://cvefeed.io/rssfeed/latest.atom / Wed, 08/12/2026 - 22:26
CVE ID :CVE-2026-18676
Published : Aug. 12, 2026, 6:42 p.m. | 46 minutes ago
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.
Severity: 5.1 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.