{"id":"JLSEC-2026-1152","details":"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.","modified":"2026-08-03T19:15:07.798507486Z","published":"2026-08-03T19:08:57.739Z","upstream":["CVE-2026-58252"],"database_specific":{"license":"CC-BY-4.0","sources":[{"modified":"2026-07-13T15:24:56.357Z","published":"2026-07-08T20:16:54.793Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-58252","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58252","database_specific":{"status":"Analyzed"},"id":"CVE-2026-58252","imported":"2026-08-03T18:16:27.652Z"}]},"references":[{"type":"WEB","url":"https://github.com/nats-io/nats-server/commit/8ced85a11497f86704a95d960281480ce037386b"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/commit/a42a6d1e258eb5c3a2190384d31965a4b715e854"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/commit/e611ca9604697b02d8f22beb76037400a9cf72e6"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/releases/tag/v2.11.16"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/releases/tag/v2.12.7"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/releases/tag/v2.14.0"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/security/advisories/GHSA-wh7g-5m82-pmhr"}],"affected":[{"package":{"name":"nats_server_jll","ecosystem":"Julia","purl":"pkg:julia/nats_server_jll?uuid=8b1691f7-6002-537d-bdf7-c6203599dc08"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.14.3+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1152.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}