{"cve":"CVE-2026-0969","nvd":{"published":"2026-02-12T03:15:46.667","modified":"2026-06-17T10:11:42.677","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-94"],"references":["https://discuss.hashicorp.com/t/hcsec-2026-01-arbitrary-code-execution-in-react-server-side-rendering-of-untrusted-mdx-content/77155"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-0969","score":0.00648,"percentile":0.51069,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-g4xw-jxrg-5f6m","url":"https://osv.dev/vulnerability/GHSA-g4xw-jxrg-5f6m","summary":"next-mdx-remote affected by arbitrary code execution in React server-side rendering of untrusted MDX content","modified":"2026-02-24T16:26:22.107990Z","packages":[{"ecosystem":"npm","name":"next-mdx-remote","purl":"pkg:npm/next-mdx-remote","ranges":[">=4.3.0 <6.0.0"],"fixed":["6.0.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}