CVE-2026-58208: NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled
Overview
- Severity
- Medium (CVSS 6.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jul
- Released
- 2026-07-11
- EPSS Score
- 0.59% (percentile: 44.2%)
Affected Products (1)
Open Source Software
- azl3 telegraf 1.31.0-23 on Azure Linux 3.0
Revision History
- 2026-07-11: Information published.