Prototype pollution in aurelia-path
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-915.
Summary
aurelia-path is part of the Aurelia platform and contains utilities for path manipulation. There is a prototype pollution vulnerability in aurelia-path before version 1.1.7. 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`. The problem is patched in version `1.1.7`.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| aurelia | path | before 1.1.7 | 1.1.7 | Patch available | CNA |
| — | aurelia-path (npm) | before 1.1.7 | 1.1.7 | Patch available | GHSA-3c9c-2p65-qvwv |
- path Vendoraurelia Affected before 1.1.7 Fixed in 1.1.7 Patch available CNA
- aurelia-path (npm) Vendor— Affected before 1.1.7 Fixed in 1.1.7 Patch available GHSA-3c9c-2p65-qvwv
Remediation
- Fix · CNA path (aurelia) Fixed in 1.1.7
- Fix · GHSA-3c9c-2p65-qvwv aurelia-path (npm) Fixed in 1.1.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41097
- 2026-10-03 Alias added: GHSA-3c9c-2p65-qvwv
References
Advisory 4
Sources
- CVE-2021-41097 · CVE Program
- CVE-2021-41097 · NVD
- FIRST EPSS
- GHSA-3c9c-2p65-qvwv · GitHub Advisory Database · CC BY 4.0
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