CVE-2026-18679 — Kong Mesh: kuma-dp connects to the control plane without verifying the TLS certificate when no CA is configured
When kuma-dp is started against an HTTPS control plane and the operator did not pass a CA certificate, the data plane connects with TLS peer verification disabled, and the datap…
Published: 2026-08-12 · CVSS: 5.8 · CVSS 4.0
When kuma-dp is started against an HTTPS control plane and the operator did not pass a CA certificate, the data plane connects with TLS peer verification disabled, and the dataplane authentication token is sent over that unverified connection. An on-path actor can intercept the dataplane authentication token and impersonate the control plane to the data plane, injecting a forged bootstrap configuration and taking over the proxy.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7