{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T02:49:49.796","vulnerabilities":[{"cve":{"id":"CVE-2026-33217","sourceIdentifier":"security-advisories@github.com","published":"2026-03-25T20:16:32.473","lastModified":"2026-03-26T17:14:48.727","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, when using ACLs on message subjects, these ACLs were not applied in the `$MQTT.>` namespace, allowing MQTT clients to bypass ACL checks for MQTT subjects. Versions 2.11.15 and 2.12.6 contain a fix. No known workarounds are available."},{"lang":"es","value":"NATS-Server es un servidor de alto rendimiento para NATS.io, un sistema de mensajería nativo de la nube y del borde. Antes de las versiones 2.11.15 y 2.12.6, al usar ACLs en los temas de mensajes, estas ACLs no se aplicaban en el espacio de nombres '$MQTT.>', permitiendo a los clientes MQTT eludir las comprobaciones de ACL para los temas MQTT. Las versiones 2.11.15 y 2.12.6 contienen una corrección. No se conocen soluciones alternativas disponibles."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":4.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Primary","description":[{"lang":"en","value":"CWE-863"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*","versionEndExcluding":"2.11.15","matchCriteriaId":"13EA156E-2759-4586-A22E-CDEAAD4D610C"},{"vulnerable":true,"criteria":"cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*","versionStartIncluding":"2.12.0","versionEndExcluding":"2.12.6","matchCriteriaId":"4E347CFB-C56D-4FD8-8DD8-3D34C08D7154"}]}]}],"references":[{"url":"https://advisories.nats.io/CVE/secnote-2026-07.txt","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://github.com/nats-io/nats-server/security/advisories/GHSA-jxxm-27vp-c3m5","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}}]}