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CVE-2025-55183

Quick assessment

Affected
Meta react-server-dom-webpack
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Meta React Server Components是美国Meta公司的一系列组件。 Meta React Server Components 19.0.0版本、19.0.1版本、19.1.0版本、19.1.1版本、19.1.2版本、19.2.0版本和19.2.1版本存在安全漏洞，该漏洞源于特制HTTP请求可能不安全返回服务器功能源代码，可能导致信息泄露。

CVSS 5.3 · Medium EPSS 64.23% · P99
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I. Basic Information for CVE-2025-55183

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Meta React Server Components 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Meta React Server Components是美国Meta公司的一系列组件。 Meta React Server Components 19.0.0版本、19.0.1版本、19.1.0版本、19.1.1版本、19.1.2版本、19.2.0版本和19.2.1版本存在安全漏洞，该漏洞源于特制HTTP请求可能不安全返回服务器功能源代码，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Meta react-server-dom-webpack 19.0.0 ~ 19.0.1 -
Meta react-server-dom-turbopack 19.0.0 ~ 19.0.1 -
Meta react-server-dom-parcel 19.0.0 ~ 19.0.1 -

II. Public POCs for CVE-2025-55183

# POC Description Source Link Shenlong Link
1 A CVE-2025-55183 secret miner https://github.com/Saturate/CVE-2025-55183 POC Details
2 PoC for CVE-2025-55183 https://github.com/kimtruth/CVE-2025-55183-poc POC Details
3 Batch upgrade all your Next.js apps to patched versions - fight back against CVE-2025-55183/55184/67779 https://github.com/williavs/nextjs-security-update POC Details
4 CVE-2025-55183 POC https://github.com/X-Cotang/CVE-2025-55183_POC POC Details
5 CVE-2025-55183 Scanner https://github.com/omaidnebari/RSC-Scanner-POC POC Details
6 Security research lab for CVE-2025-55183 and CVE-2025-55184 in React Server Components https://github.com/StealthMoud/react-server-cve-lab POC Details
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III. Intelligence Information for CVE-2025-55183

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Security Blog Posts for CVE-2025-55183 (1)

Other References for CVE-2025-55183 (1)

Same Patch Batch · Meta · 2025-12-11 · 3 CVEs total

CVE-2025-55184 7.5 HIGH Meta React Server Components 安全漏洞
CVE-2025-67779 7.5 HIGH Meta React Server Components 安全漏洞

IV. Related Vulnerabilities

Same product: react-server-dom-webpack
Same vendor: Meta

V. Comments for CVE-2025-55183

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