CVE-2026-18675
Gravedad CVSS v4.0:
MEDIA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
12/08/2026
Última modificación:
13/08/2026
Descripción
*** Pendiente de traducción *** 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.<br />
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The panic terminates the entire kuma-cp process, HTTP API, the health and readiness endpoints, and xDS. Unauthenticated access to the dataplane gRPC server can trigger the crash with a malformed token<br />
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A single request is a transient interruption; sustaining an outage requires repeated requests.
Impacto
Puntuación base 4.0
5.30
Gravedad 4.0
MEDIA
Referencias a soluciones, herramientas e información
- https://developer.konghq.com/mesh/changelog/
- https://github.com/kumahq/kuma/pull/17465
- https://github.com/kumahq/kuma/pull/17467
- https://github.com/kumahq/kuma/pull/17468
- https://github.com/kumahq/kuma/pull/17469
- https://github.com/kumahq/kuma/pull/17470
- https://github.com/kumahq/kuma/pull/17471
- https://github.com/kumahq/kuma/pull/17472
- https://github.com/kumahq/kuma/security/advisories/GHSA-5mxq-7xq4-3vx8