CVE-2026-33215
Published: Mar 24, 2026
Modified: Mar 25, 2026
CVSS v3.1
6.5
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.
| Vendor | Product | Versions |
|---|---|---|
nats-io | nats-server | affected < 2.11.15affected >= 2.12.0-RC.1, < 2.12.6 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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