{"cve":"CVE-2020-26149","nvd":{"published":"2020-09-30T18:15:27.023","modified":"2026-06-17T03:07:43.087","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-522"],"references":["http://www.openwall.com/lists/oss-security/2020/09/30/3","https://github.com/nats-io/nats.deno/compare/v1.0.0-8...v1.0.0-9","https://github.com/nats-io/nats.ws/commit/0a37ac2a411ff63f0707cda69a268c5fc4079eb7","http://www.openwall.com/lists/oss-security/2020/09/30/3","https://github.com/nats-io/nats.deno/compare/v1.0.0-8...v1.0.0-9"],"products":["linuxfoundation:nats.deno","linuxfoundation:nats.js","linuxfoundation:nats.ws"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-26149","score":0.01476,"percentile":0.73852,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-82rf-q3pr-4f6p","url":"https://osv.dev/vulnerability/GHSA-82rf-q3pr-4f6p","summary":"Sensitive data exposure in NATS","modified":"2023-11-08T04:03:14.378537Z","packages":[{"ecosystem":"npm","name":"nats","purl":"pkg:npm/nats","ranges":[">=2.0.0-201 <2.0.0-209"],"fixed":["2.0.0-209"]},{"ecosystem":"npm","name":"nats.ws","purl":"pkg:npm/nats.ws","ranges":[">=1.0.0-85 <1.0.0-111"],"fixed":["1.0.0-111"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}