CVE-2026-33215
MEDIUM
6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: low
Description
AI Translation Available
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.
287
Improper Authentication
DraftCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Access Control
Potential Impacts:
Read Application Data
Gain Privileges Or Assume Identity
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies:
ICS/OT, Not Technology-Specific, Web Based
488
Exposure of Data Element to Wrong Session
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Application Data
Applicable Platforms
All platforms may be affected
https://advisories.nats.io/CVE/secnote-2026-06.tx
https://github.com/nats-io/nats-server/security/advisories/GHSA-fcjp-h8cc-6879