CVE-2026-18677 Kong Mesh: a dataplane token without a workload binding can claim any workload's SPIFFE identity

In Kong Mesh running in universal mode with a MeshIdentity whose SPIFFE ID path template derives from the dataplane's kuma.io/workload label, the XDS authenticator in kuma-cp validates that label only when the dataplane token is bound to a workload. Workload binding is optional, so a dataplane...

CVE-2026-18677

In Kong Mesh (universal mode), the XDS authenticator in kuma-cp validates the dataplane’s SPIFFE ID path template against the kuma.io/workload label only when the dataplane token is bound to a workload. Because workload binding is optional, a dataplane presenting a tags-bound token can register w...

CVE-2026-18677 Kong Mesh: a dataplane token without a workload binding can claim any workload's SPIFFE identity

In Kong Mesh running in universal mode with a MeshIdentity whose SPIFFE ID path template derives from the dataplane's kuma.io/workload label, the XDS authenticator in kuma-cp validates that label only when the dataplane token is bound to a workload. Workload binding is optional, so a dataplane...

CVE-2026-18677 Kong Mesh: a dataplane token without a workload binding can claim any workload's SPIFFE identity

In Kong Mesh running in universal mode with a MeshIdentity whose SPIFFE ID path template derives from the dataplane's kuma.io/workload label, the XDS authenticator in kuma-cp validates that label only when the dataplane token is bound to a workload. Workload binding is optional, so a dataplane...

CVE-2026-18675 Kong Mesh: control plane denial of service via a malformed dataplane token with a non-string JWT kid

The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. A token whose kid is a JSON number decodes as a float64 and triggers a runtime panic before any signature, claims, or authorization check runs. The panic terminates the entire kuma-cp process,...

EUVD-2026-57421

The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. A token whose kid is a JSON number decodes as a float64 and triggers a runtime panic before any signature, claims, or authorization check runs. The panic terminates the entire kuma-cp process,...

CVE-2026-18675: Uncaught Exception

The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. A token whose kid is a JSON number decodes as a float64 and triggers a runtime panic before any signature, claims, or authorization check runs. The panic terminates the entire kuma-cp process,...

Improper Certificate Validation

kuma-dp is vulnerable to Improper Certificate Validation. The vulnerability is due to TLS peer verification being disabled when no CA certificate is provided for an HTTPS control plane, which allows an attacker to perform a man-in-the-middle attack and intercept the dataplane authentication token...