Prototype pollution in @tsed/core
This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @tsed/core | < 5.65.7 | 5.65.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-7748
- https://github.com/TypedProject/tsed/commit/1395773ddac35926cf058fc6da9fb8e82266761b
- https://github.com/TypedProject/tsed/blob/production/packages/core/src/utils/deepExtends.ts%23L36
- https://github.com/tsedio/tsed
- https://snyk.io/vuln/SNYK-JS-TSEDCORE-1019382
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-1321, CWE-915- Platform
- npm
- Package
@tsed/core- Disclosed
- 10.05.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-77xq-cpvg-7xm2 - CC BY 4.0
Vulnerability history: @tsed/core
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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