{"schemaVersion":3,"id":"CVE-2026-58252","aliases":["UBUNTU-CVE-2026-58252","DEBIAN-CVE-2026-58252"],"status":"published","duplicateOf":null,"title":null,"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. 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