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CVE-2026-33215

NATS-Server

Description

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server provides an MQTT client interface. Prior to versions 2.11.15 and 2.12.5, Sessions and Messages can by hijacked via MQTT Client ID malfeasance. Versions 2.11.15 and 2.12.5 patch the issue. No known workarounds are available.

CVSS 6.5EPSS 0.24%Risk 0.66
View source
Published
2026-03-24 21:16:28
Affected versions
<2.11.15,<2.12.5
Type
Core software
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L