Improper Authentication Affecting nats-server-fips package, versions <2.12.6-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.01% (4th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-NATSSERVERFIPS-15802170
  • published29 Mar 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

NewCVE-2026-33215  (opens in a new tab)
CWE-287  (opens in a new tab)
CWE-488  (opens in a new tab)

How to fix?

Upgrade Minimos:latest nats-server-fips to version 2.12.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nats-server-fips package and not the nats-server-fips package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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 Base Scores

version 3.1