CVE-2019-5448 json
Missing Encryption of Sensitive Data in yarn
published 2019-07-30 7 y ago modified 2026-09-10 1 mo ago also GHSA-wqfc-cr59-h64p , EUVD-2019-0608
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm yarn 1.17.3
- yarnpkg yarn 1.17.3
- node-yarnpkg Debian 14, Debian 13, Debian 12 1.13.0-3
debian advisories DEBIAN-CVE-2019-5448
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | yarn | <1.17.3 |
1.17.3 |
Affected products
- yarn yarn
Classification
References
-
github.com
/ChALkeR/notes/blob/master/Yarn-vuln.md
web, exploit, third-party-advisory
-
yarnpkg.com
/blog/2019/07/12/recommended-security-update/
vendor-advisory
-
hackerone.com
/reports/640904
web, permissions-required, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-5448
advisory
-
yarnpkg.com
/blog/2019/07/12/recommended-security-update
web
Sources
- CVE List CVE-2019-5448
- GitHub Advisory GHSA-wqfc-cr59-h64p
- NVD CVE-2019-5448
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.