CVE-2025-55182: Deserialization of Untrusted Data (CWE-502) in Meta react-server-dom-webpack
CVE-2025-55182 is a critical vulnerability in Meta's react-server-dom-webpack versions 19. 0. 0, 19. 1. 0, and 19. 2. 0. It involves unsafe deserialization of untrusted data sent to Server Function endpoints via HTTP. This flaw allows remote attackers to execute arbitrary code without authentication or user interaction. The vulnerability has a maximum CVSS score of 10, indicating critical severity and complete compromise potential.
AI Analysis
Technical Summary
CVE-2025-55182 is a critical deserialization vulnerability (CWE-502) affecting Meta's react-server-dom-webpack versions 19.0.0, 19.1.0, and 19.2.0. The issue arises from unsafe deserialization of untrusted data sent to Server Function endpoints over HTTP, enabling unauthenticated remote code execution. The vulnerability has a CVSS 3.1 base score of 10.0 (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H), reflecting its critical impact and ease of exploitation. No official patch or vendor advisory details are currently available.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to execute arbitrary code on the server hosting react-server-dom-webpack, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with maximum impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid exposing Server Function endpoints to untrusted networks or inputs. Monitor Meta's official channels for updates and apply patches promptly once available.
CVE-2025-55182: Deserialization of Untrusted Data (CWE-502) in Meta react-server-dom-webpack
Description
CVE-2025-55182 is a critical vulnerability in Meta's react-server-dom-webpack versions 19. 0. 0, 19. 1. 0, and 19. 2. 0. It involves unsafe deserialization of untrusted data sent to Server Function endpoints via HTTP. This flaw allows remote attackers to execute arbitrary code without authentication or user interaction. The vulnerability has a maximum CVSS score of 10, indicating critical severity and complete compromise potential.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-55182 is a critical deserialization vulnerability (CWE-502) affecting Meta's react-server-dom-webpack versions 19.0.0, 19.1.0, and 19.2.0. The issue arises from unsafe deserialization of untrusted data sent to Server Function endpoints over HTTP, enabling unauthenticated remote code execution. The vulnerability has a CVSS 3.1 base score of 10.0 (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H), reflecting its critical impact and ease of exploitation. No official patch or vendor advisory details are currently available.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to execute arbitrary code on the server hosting react-server-dom-webpack, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability with maximum impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid exposing Server Function endpoints to untrusted networks or inputs. Monitor Meta's official channels for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Meta
- Date Reserved
- 2025-08-08T18:21:47.119Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69305d3dca1782a906b2331e
Added to database: 12/3/2025, 3:54:37 PM
Last enriched: 5/9/2026, 1:36:47 AM
Last updated: 5/10/2026, 10:47:32 AM
Views: 473
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