Prototype pollution in aurelia-path
Impact
The vulnerability exposes Aurelia application that uses aurelia-path package to parse a string. The majority of this will be Aurelia applications that employ the aurelia-router package. An example is this could allow an attacker to change the prototype of base object class Object by tricking an application to parse the following URL: https://aurelia.io/blog/?__proto__[asdf]=asdf
Patches
The problem should be patched in version 1.1.7. Any version earlier than this is vulnerable.
Workarounds
A partial work around is to free the Object prototype:
Object.freeze(Object.prototype)Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | aurelia-path | < 1.1.7 | 1.1.7 |
References
- https://github.com/aurelia/path/security/advisories/GHSA-3c9c-2p65-qvwv
- https://nvd.nist.gov/vuln/detail/CVE-2021-41097
- https://github.com/aurelia/path/issues/44
- https://github.com/aurelia/path/commit/7c4e235433a4a2df9acc313fbe891758084fdec1
- https://github.com/aurelia/path
- https://github.com/aurelia/path/releases/tag/1.1.7
- https://www.npmjs.com/package/aurelia-path
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-1321, CWE-915- Platform
- npm
- Package
aurelia-path- Disclosed
- 27.09.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3c9c-2p65-qvwv - CC BY 4.0
Vulnerability history: aurelia-path
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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