{
    "id": "CVE-2021-41097",
    "published": "2021-09-27 18:15:08",
    "last_modified": "2026-06-17 04:07:52",
    "cvss_score": "9.1",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
    "cwe": "CWE-1321",
    "description": "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`.",
    "epss_score": "0.04895",
    "epss_percentile": "0.91853",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:27",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.1), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "bluespire",
            "product": "aurelia-path"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/aurelia/path/commit/7c4e235433a4a2df9acc313fbe891758084fdec1",
        "https://github.com/aurelia/path/issues/44",
        "https://github.com/aurelia/path/releases/tag/1.1.7",
        "https://github.com/aurelia/path/security/advisories/GHSA-3c9c-2p65-qvwv",
        "https://www.npmjs.com/package/aurelia-path",
        "https://github.com/aurelia/path/commit/7c4e235433a4a2df9acc313fbe891758084fdec1",
        "https://github.com/aurelia/path/issues/44",
        "https://github.com/aurelia/path/releases/tag/1.1.7",
        "https://github.com/aurelia/path/security/advisories/GHSA-3c9c-2p65-qvwv",
        "https://www.npmjs.com/package/aurelia-path"
    ]
}