This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.
https://www.npmjs.com/package/Proto
https://snyk.io/vuln/SNYK-JS-PROTO-1316301
Source: Mitre, NVD
Published: 2021-09-01
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00263