CVE-2026-58210 (GCVE-0-2026-58210)
Vulnerability from cvelistv5
Published
2026-07-08 20:13
Modified
2026-07-09 13:29
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, an unauthenticated MQTT client could cause the server to retain large incomplete MQTT CONNECT packets before authentication completed, consuming server memory while the parser waited for the advertised MQTT packet length. This issue is fixed in versions 2.14.3 and 2.12.12.
References
Impacted products
Vendor Product Version
nats-io nats-server Version: < 2.12.12
Version: >= 2.14.0-RC.1, < 2.14.3
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