PT-2026-76161

Published

2026-08-03

·

Updated

2026-08-03

Description by

CVSS 3.1
6.5
Medium
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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.
Exploitability
Fix
Vendors
Affected products
Related identifiers
JLSEC-2026-1123
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