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GHSA-g4xw-jxrg-5f6m
GHSA-g4xw-jxrg-5f6m

Author: advisory-database[bot]

advisories/github-reviewed/2026/02/GHSA-g4xw-jxrg-5f6m/GHSA-g4xw-jxrg-5f6m.json

@@ -0,0 +1,69 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-g4xw-jxrg-5f6m",
+  "modified": "2026-02-24T14:20:56Z",
+  "published": "2026-02-12T03:31:01Z",
+  "aliases": [
+    "CVE-2026-0969"
+  ],
+  "summary": "next-mdx-remote affected by arbitrary code execution in React server-side rendering of untrusted MDX content",
+  "details": "The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "next-mdx-remote"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "4.3.0"
+            },
+            {
+              "fixed": "6.0.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0969"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/hashicorp/next-mdx-remote/commit/4d527fdcaed911b87f427d0b4d3c711e817fa4b3"
+    },
+    {
+      "type": "WEB",
+      "url": "https://discuss.hashicorp.com/t/hcsec-2026-01-arbitrary-code-execution-in-react-server-side-rendering-of-untrusted-mdx-content/77155"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/hashicorp/next-mdx-remote"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/hashicorp/next-mdx-remote/releases/tag/v6.0.0"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-94"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-02-24T14:20:55Z",
+    "nvd_published_at": "2026-02-12T03:15:46Z"
+  }
+}