Incorrect Authorization Affecting nats-top package, versions <0.6.3-r18


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.26% (18th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-NATSTOP-15809255
  • published29 Mar 2026
  • disclosed25 Mar 2026

Introduced: 25 Mar 2026

CVE-2026-33217  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Chainguard nats-top to version 0.6.3-r18 or higher.

NVD Description

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

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.&gt; 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.

CVSS Base Scores

version 3.1