{"id":"CVE-2020-26149","aliases":["GHSA-82rf-q3pr-4f6p"],"url":"https://o3.security/vulnerability/CVE-2020-26149","summary":"Sensitive data exposure in NATS","details":"NATS nats.js before 2.0.0-209, nats.ws before 1.0.0-111, and nats.deno before 1.0.0-9 allow credential disclosure from a client to a server.","published":"2020-09-30T18:15:27.023Z","modified":"2026-07-08T05:56:31.467417159Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"nats","fixedVersion":"2.0.0-209"},{"ecosystem":"npm","name":"nats.ws","fixedVersion":"1.0.0-111"}],"fix":{"url":"https://github.com/nats-io/nats.ws/commit/0a37ac2a411ff63f0707cda69a268c5fc4079eb7","label":"nats-io/nats.ws@0a37ac2"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/09/30/3"},{"type":"FIX","url":"https://github.com/nats-io/nats.deno/compare/v1.0.0-8...v1.0.0-9"},{"type":"FIX","url":"https://github.com/nats-io/nats.ws/commit/0a37ac2a411ff63f0707cda69a268c5fc4079eb7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:56:31.467417159Z"}}