{"cve":"CVE-2019-5448","nvd":{"published":"2019-07-30T21:15:11.523","modified":"2026-06-17T02:37:42.437","status":"Modified","description":"Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-319","CWE-311"],"references":["https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md","https://hackerone.com/reports/640904","https://yarnpkg.com/blog/2019/07/12/recommended-security-update/","https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md","https://hackerone.com/reports/640904"],"products":["yarnpkg:yarn"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-5448","score":0.00668,"percentile":0.51931,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wqfc-cr59-h64p","url":"https://osv.dev/vulnerability/GHSA-wqfc-cr59-h64p","summary":"Missing Encryption of Sensitive Data in yarn","modified":"2026-09-10T03:48:24.647046407Z","packages":[{"ecosystem":"npm","name":"yarn","purl":"pkg:npm/yarn","ranges":["<1.17.3"],"fixed":["1.17.3"]}]}],"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."]}