CVE-2026-33217

HIGH

7.1

Descripcion

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 ACLs on message subjects, these ACLs were not applied in the `$MQTT.>` namespace, allowing MQTT clients to bypass ACL checks for MQTT subjects. Versions 2.11.15 and 2.12.6 contain a fix. No known workarounds are available.

Detalles CVE

Puntuacion CVSS v3.17.1

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado3/25/2026

Ultima modificacion3/26/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

linuxfoundation:nats-server

Debilidades (CWE)

CWE-863

Referencias

https://advisories.nats.io/CVE/secnote-2026-07.txt(security-advisories@github.com)

https://github.com/nats-io/nats-server/security/advisories/GHSA-jxxm-27vp-c3m5(security-advisories@github.com)

Correlaciones IOC

Sin correlaciones registradas

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