CVE-2025-55183

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Metareact-server-dom-webpack19.0.0 <= 19.0.1affected
Metareact-server-dom-webpack19.1.0 <= 19.1.2affected
Metareact-server-dom-webpack19.2.0 <= 19.2.1affected
Metareact-server-dom-turbopack19.0.0 <= 19.0.1affected
Metareact-server-dom-turbopack19.1.0 <= 19.1.2affected
Metareact-server-dom-turbopack19.2.0 <= 19.2.1affected
Metareact-server-dom-parcel19.0.0 <= 19.0.1affected
Metareact-server-dom-parcel19.1.0 <= 19.1.2affected
Metareact-server-dom-parcel19.2.0 <= 19.2.1affected

Weaknesses

  • (CWE-502) Deserialization of Untrusted Data. (CWE-497) Exposure of Sensitive System Information to an Unauthorized Actor

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

References