Nats-Io Nats-Server vulnerabilities

CVE-2026-33222 [MEDIUM] CWE-285 CVE-2026-33222: NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prio NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected against them. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround

CVE-2026-33249 [MEDIUM] CWE-863 CVE-2026-33249: NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Star NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.11.0 and prior to versions 2.11.15 and 2.12.6, a valid client which uses message tracing headers can indicate that the trace messages can be sent to an arbitrary valid subject, including those to which the client does not have publis

CVE-2026-33248 [MEDIUM] CWE-287 CVE-2026-33248: NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prio NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, when using mTLS for client identity, with `verify_and_map` to derive a NATS identity from the client certificate's Subject DN, certain patterns of RDN would not be correctly enforced, allowing for authentication bypas

CVE-2026-58209 [MEDIUM] CWE-863 CVE-2026-58209: NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Pr NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, MQTT retained message delivery and QoS1+ durable replay could deliver messages whose original topics matched a subscriber configured subscribe deny rule because these delivery paths did not consistently recheck the concrete