{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58252", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-29T21:54:30.330Z", "datePublished": "2026-07-08T19:46:10.380Z", "dateUpdated": "2026-07-08T19:46:54.572Z"}, "containers": {"cna": {"title": "NATS Server: Subscribe Authz Bypass via Wildcard-Overlap", "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "lang": "en", "description": "CWE-285: Improper Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nats-io/nats-server/security/advisories/GHSA-wh7g-5m82-pmhr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-wh7g-5m82-pmhr"}, {"name": "https://github.com/nats-io/nats-server/commit/8ced85a11497f86704a95d960281480ce037386b", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/commit/8ced85a11497f86704a95d960281480ce037386b"}, {"name": "https://github.com/nats-io/nats-server/commit/a42a6d1e258eb5c3a2190384d31965a4b715e854", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/commit/a42a6d1e258eb5c3a2190384d31965a4b715e854"}, {"name": "https://github.com/nats-io/nats-server/commit/e611ca9604697b02d8f22beb76037400a9cf72e6", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/commit/e611ca9604697b02d8f22beb76037400a9cf72e6"}, {"name": "https://github.com/nats-io/nats-server/releases/tag/v2.11.16", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/releases/tag/v2.11.16"}, {"name": "https://github.com/nats-io/nats-server/releases/tag/v2.12.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/releases/tag/v2.12.7"}, {"name": "https://github.com/nats-io/nats-server/releases/tag/v2.14.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/nats-io/nats-server/releases/tag/v2.14.0"}], "affected": [{"vendor": "nats-io", "product": "nats-server", "versions": [{"version": "< 2.11.16", "status": "affected"}, {"version": ">= 2.12.0-preview.1, < 2.12.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T19:46:54.572Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-wh7g-5m82-pmhr", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}