ghsa-fv66-9v8q-g76r
Vulnerability from github
Published
2025-12-03 19:07
Modified
2025-12-04 21:03
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
React Server Components are Vulnerable to RCE
Details

Impact

There is an unauthenticated remote code execution vulnerability in React Server Components.

We recommend upgrading immediately.

The vulnerability is present in versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 of: * react-server-dom-webpack * react-server-dom-parcel * react-server-dom-turbopack

Patches

A fix was introduced in versions 19.0.1, 19.1.2, and 19.2.1. If you are using any of the above packages please upgrade to any of the fixed versions immediately.

If your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.

References

See the blog post for more information and upgrade instructions.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-webpack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.0"
            },
            {
              "fixed": "19.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-webpack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.1.0"
            },
            {
              "fixed": "19.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-webpack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.2.0"
            },
            {
              "fixed": "19.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.2.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-turbopack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.0.0"
            },
            {
              "fixed": "19.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.0.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-turbopack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.1.0"
            },
            {
              "fixed": "19.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-turbopack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.2.0"
            },
            {
              "fixed": "19.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.2.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-parcel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.0.0"
            },
            {
              "fixed": "19.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.0.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-parcel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.1.0"
            },
            {
              "fixed": "19.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "react-server-dom-parcel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.2.0"
            },
            {
              "fixed": "19.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "19.2.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-55182"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-03T19:07:39Z",
    "nvd_published_at": "2025-12-03T16:15:56Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n\nThere is an unauthenticated remote code execution vulnerability in React Server Components.\n\nWe recommend upgrading immediately.\n\nThe vulnerability is present in versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 of:\n* [react-server-dom-webpack](https://www.npmjs.com/package/react-server-dom-webpack)\n* [react-server-dom-parcel](https://www.npmjs.com/package/react-server-dom-parcel)\n* [react-server-dom-turbopack](https://www.npmjs.com/package/react-server-dom-turbopack?activeTab=readme)\n\n### Patches\n\nA fix was introduced in versions [19.0.1](https://github.com/facebook/react/releases/tag/v19.0.1), [19.1.2](https://github.com/facebook/react/releases/tag/v19.1.2), and [19.2.1](https://github.com/facebook/react/releases/tag/v19.2.1). If you are using any of the above packages please upgrade to any of the fixed versions immediately.\n\nIf your app\u2019s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.\n\n### References\n\nSee the [blog post](https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components) for more information and upgrade instructions.",
  "id": "GHSA-fv66-9v8q-g76r",
  "modified": "2025-12-04T21:03:39Z",
  "published": "2025-12-03T19:07:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/security/advisories/GHSA-fv66-9v8q-g76r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-55182"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/pull/35277"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/commit/7dc903cd29dac55efb4424853fd0442fef3a8700"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ejpir/CVE-2025-55182-poc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/facebook/react"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/releases/tag/v19.0.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/releases/tag/v19.1.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/react/releases/tag/v19.2.1"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=46136026"
    },
    {
      "type": "WEB",
      "url": "https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components"
    },
    {
      "type": "WEB",
      "url": "https://www.facebook.com/security/advisories/cve-2025-55182"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/12/03/4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "React Server Components are Vulnerable to RCE"
}


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