{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-0969",
        "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
        "state": "PUBLISHED",
        "assignerShortName": "HashiCorp",
        "dateReserved": "2026-01-14T22:09:31.064Z",
        "datePublished": "2026-02-12T01:35:06.231Z",
        "dateUpdated": "2026-04-17T17:57:55.801Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "64 bit",
                        "32 bit",
                        "x86",
                        "ARM",
                        "MacOS",
                        "Windows",
                        "Linux"
                    ],
                    "product": "Shared library",
                    "repo": "https://github.com/hashicorp/next-mdx-remote",
                    "vendor": "HashiCorp",
                    "versions": [
                        {
                            "lessThan": "6.0.0",
                            "status": "affected",
                            "version": "4.3.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "This issue was identified by researchers at Sejong University."
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0.</p><br/>"
                        }
                    ],
                    "value": "The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-242",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-242: Code Injection"
                        }
                    ]
                }
            ],
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                {
                    "cvssV3_1": {
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                            "lang": "en",
                            "value": "GENERAL"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-94",
                            "description": "CWE-94: Improper Control of Generation of Code (Code Injection)",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
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            ],
            "providerMetadata": {
                "orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
                "shortName": "HashiCorp",
                "dateUpdated": "2026-04-17T17:57:55.801Z"
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            "references": [
                {
                    "url": "https://discuss.hashicorp.com/t/hcsec-2026-01-arbitrary-code-execution-in-react-server-side-rendering-of-untrusted-mdx-content/77155"
                }
            ],
            "source": {
                "advisory": "HCSEC-2026-01",
                "discovery": "EXTERNAL"
            },
            "title": "Arbitrary code execution in React server-side rendering of untrusted MDX content"
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-12T15:34:59.477052Z",
                                "id": "CVE-2026-0969",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2026-02-12T15:35:09.139Z"
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