FAQ for React CVE-2025-55182 and CVE-2025-66478
General information
On November 29, 2025, a critical vulnerability was identified in React Server Components versions 19.0, 19.1.0, 19.1.1, and 19.2.0 Additional details can be found in this article: Critical Security Vulnerability in React Server Components and the official CVE report
What is the vulnerability?
The CVE-2025-55182 vulnerability in React Server Components allows unexpected server-side data exposure when rendering components. In affected versions (19.0 through 19.2.0), certain request-handling paths fail to properly isolate server-only code and data. As a result, sensitive server values—such as environment variables, internal configuration, tokens, or private logic—can unintentionally be serialized and returned to the client.
Are Explorance products affected?
After a thorough review, we can confirm that our products and services are not impacted by these vulnerabilities.
Our solutions do not utilize the affected components associated with these CVEs. As a result, no action is required from our customers, and there is no risk to the security, availability, or integrity of our offerings.
We remain committed to monitoring security advisories and ensuring the continued protection of our customers. Should new information arise, we will provide timely updates through this page.