cvedb.io
CVE-2026-58211
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2026-07-08T21:16:52.610 · Last modified 2026-07-08T21:16:52.610

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, a client could be registered as the configured no_auth_user through a parser path used when the first client operation was not CONNECT, bypassing user-level connection restrictions such as allowed_connection_types or proxy_required that normal authentication would apply. This issue is fixed in versions 2.14.3 and 2.12.12.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.