GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/354415?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/354415?format=api",
    "vulnerability_id": "VCID-nmzm-1341-jfgt",
    "summary": "Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, a prototype pollution gadget exists in the Axios HTTP adapter (lib/adapters/http.js) that allows an attacker to inject arbitrary HTTP headers into outgoing requests. The vulnerability exploits duck-type checking of the data payload, where if Object.prototype is polluted with getHeaders, append, pipe, on, once, and Symbol.toStringTag, Axios misidentifies any plain object payload as a FormData instance and calls the attacker-controlled getHeaders() function, merging the returned headers into the outgoing request. The vulnerable code resides exclusively in lib/adapters/http.js. The prototype pollution source does not need to originate from Axios itself — any prototype pollution primitive in any dependency in the application's dependency tree is sufficient to trigger this gadget. This vulnerability is fixed in 1.15.1 and 0.31.1.",
    "aliases": [
        {
            "alias": "CVE-2026-42035"
        }
    ],
    "fixed_packages": [
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            "url": "http://public2.vulnerablecode.io/api/packages/1077457?format=api",
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    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-42035.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.4",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-42035.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-42035",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00033",
                    "scoring_system": "epss",
                    "scoring_elements": "0.09688",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00063",
                    "scoring_system": "epss",
                    "scoring_elements": "0.19487",
                    "published_at": "2026-04-29T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-42035"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42035",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42035"
        },
        {
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            "reference_id": "1134878",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134878"
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            "reference_id": "2461606",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461606"
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            "reference_id": "GHSA-6chq-wfr3-2hj9",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.4",
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                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                    "value": "Track*",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-04-24T18:07:43Z/"
                }
            ],
            "url": "https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9"
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    ],
    "weaknesses": [
        {
            "cwe_id": 113,
            "name": "Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')",
            "description": "The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers."
        },
        {
            "cwe_id": 1321,
            "name": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
            "description": "The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype."
        },
        {
            "cwe_id": 915,
            "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes",
            "description": "The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified."
        }
    ],
    "exploits": [],
    "severity_range_score": "7.4 - 7.4",
    "exploitability": "0.5",
    "weighted_severity": "6.7",
    "risk_score": 3.4,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-nmzm-1341-jfgt"
}