Security Advisory

CVE-2026-58252

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-08 19:46:10

Last updated 2026-07-09 13:34:28

Assigner GitHub_M

CVSS score 6.5

State PUBLISHED

Description

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user could receive messages on denied subjects when a wildcard subscription overlapped with a configured wildcard deny rule but was not a subset of it, and queue subscriptions could also affect delivery to legitimate queue consumers. This issue is fixed in versions 2.14.0, 2.12.7, and 2.11.16.

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