AUGUST 15, 2026
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Case File

CVE-2026-18676

MEDIUM · CVSS 5.1 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-12 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

The default configuration of Kong Mesh exposes the admin bootstrap token and signing keys to any webpage accessed by the operator, due to a CORS misconfiguration. This vulnerability allows malicious pages to perform cross-origin requests, potentially compromising the admin JWT and signing materials. Organizations using Kong Mesh should prioritize addressing this issue to safeguard their control plane from unauthorized access.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

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CVE
CVE-2026-18676
Severity
MEDIUM
CVSS
5.1
EPSS
0.23%

Original NVD 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.