NATS Server: Queue Subscribe Authz Bypass

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CVE-2026-58251

CVE-2026-58251 affects NATS Server prior to version 2.14.0, 2.12.7, and 2.11.16. An authenticated user with subscription deny permissions could bypass a plain Subject deny rule by using a queue subscription, because queue-specific deny evaluation could override the plain subject deny result when ...

CVE-2026-58251 NATS Server: Queue Subscribe Authz Bypass

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user with subscription deny permissions could bypass a plain subject deny rule by using a queue subscription, because queue-specific deny...