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CVE-2026-33215

CVSS 6.5v3.1pub. 2026-03-24upd. 2026-03-26

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 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L

  • Linuxfoundation Nats Server

    APP
    Linuxfoundation
    2.0.0 – 2.11.15 (bez)2.12.0 – 2.12.5 (bez)
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
Auth Bypass
CWE
References

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