Math.js: Unsafe object property setter in mathjs_CVE-2026-40897

{
    "lastseen": "",
    "description": "Math.js is an extensive math library for JavaScript and Node.js. From 13.1.1 to before 15.2.0, a vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. This vulnerability is fixed in 15.2.0.",
    "published": "2026-04-24T16:48:34.849Z",
    "modified": "2026-04-24T17:44:59.520Z",
    "type": "cve",
    "title": "Math.js: Unsafe object property setter in mathjs",
    "source": "GitHub_M",
    "references": "https://github.com/josdejong/mathjs/security/advisories/GHSA-29qv-4j9f-fjw5\nhttps://github.com/josdejong/mathjs/pull/3656\nhttps://github.com/josdejong/mathjs/commit/513ab2a0e01004af91b31aada68fae8a821326ad",
    "id": "CVE-2026-40897",
    "bulletinFamily": "",
    "cwe": [
        "CWE-915"
    ],
    "cvelist": null,
    "sourceData": "josdejong mathjs >= 13.1.1, < 15.2.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "mathjs",
    "version": ">= 13.1.1, < 15.2.0",
    "vendor": "josdejong",
    "ai_description": "Arbitrary JavaScript execution via mathjs expression parser",
    "ai_severity": "High",
    "ai_vendor": "josdejong",
    "ai_product": "mathjs",
    "ai_version": "13.1.1 to 15.2.0",
    "ai_score": 8.8
}