CVEvulnerability

CVE-2026-18676

5.1 MEDIUM Published 2026-08-12 Modified 2026-10-23 Official page ↗
Status
Awaiting Analysis
Published
2026-08-12
Last modified
2026-10-23
Assigner
02762ae7-200e-4b20-9b2b-a77d5b8fc4cb
CVSS 4.0 (02762ae7-200e-4b20-9b2b-a77d5b8fc4cb)
5.1 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-346, CWE-942

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.

Related

Weakness · CWE (2)

  • CWE-346 Origin Validation Error weakness
  • CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains weakness

References