Report: CVE-2026-33216 - NATS has MQTT plaintext password disclosure
CVE ID :CVE-2026-33216 Published : March 25, 2026, 8:16 p.m. | 42 minutes ago Description :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, for MQTT deployments using usercodes/passwords: MQTT passwords are incorrectly classified as a non-authenticating identity statement (JWT) and exposed via monitoring endpoints. Versions 2.11.14 and 2.12.6 contain a fix. As a workaround, ensure monitoring end-points are adequately secured. Best practice remains to not expose the monitoring endpoint to the Internet or other untrusted network users. Severity: 8.6 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...