CVEvulnerability

CVE-2026-33215

6.5 MEDIUM Published 2026-03-24 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-03-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-287, CWE-488

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.

Affected configurations

• linuxfoundation nats-server (>= 2.0.0 < 2.11.15) • linuxfoundation nats-server (>= 2.12.0 < 2.12.5)

Related

Weakness · CWE (2)

  • CWE-287 Improper Authentication weakness
  • CWE-488 Exposure of Data Element to Wrong Session weakness

References