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Deserialization of Untrusted Data in next

CVE-2025-55182

  • next
  • react-server-dom-parcel
  • react-server-dom-turbopack
  • react-server-dom-webpack
  • @vitejs/plugin-rsc
  • waku
High
10/10

Summary

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. Due to this CVE, following framework are also affected: next.js versions 14.3.0-canary.77 prior to 15.0.5, 15.1.1-canary.0 prior to 15.1.9, 15.2.0-canary.0 prior to 15.2.6, 15.3.0-canary.0 prior to 15.3.6, 15.4.0-canary.0 prior to 15.4.8, 15.5.1-canary.0 prior to 15.5.7, 16.0.0-canary.0 prior to 16.0.7, 16.1.0-canary.0 prior to 16.1.0-canary.12, @vitejs/plugin-rsc versions prior to 0.5.3, waku versions 0.21.0 prior to 0.27.3.

  • LOW
  • NETWORK
  • HIGH
  • CHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-502 - Deserialization of Untrusted Data

Deserialization of untrusted data vulnerabilities enable an attacker to replace or manipulate a serialized object, replacing it with malicious data. When the object is deserialized at the victim's end the malicious data is able to compromise the victim’s system. The exploit can be devastating, its impact may range from privilege escalation, broken access control, or denial of service attacks to allowing unauthorized access to the application's internal code and logic which can compromise the entire system.

References

Advisory Timeline

  • Published