Vulnerability Report

CVE-2025-55182

RCE CISA KEV Active

Title: Vercel Next.Js

RCE

Proof Of Concept

PoC Available for CVE-2025-55182

CWE Category CWE-502
Published Date Dec 03, 2025
Modified Date Dec 10, 2025
Exploit Status Available
Score 10.0 CVSS v3.1
Exploit Probability (EPSS)
84.49%

Vulnerability Summary

CVE-2025-55182: 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.

Impacted Vendors

V
vercel 1
K
kanopi 1
Z
zeit 1
F
facebook 1

Reference Links

https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components https://www.facebook.com/security/advisories/cve-2025-55182 http://www.openwall.com/lists/oss-security/2025/12/03/4 https://news.ycombinator.com/item?id=46136026 https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
10.0
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-55182 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/msanft/CVE-2025-55182
View Code
GitHub https://github.com/ejpir/CVE-2025-55182-research
View Code
GitHub https://github.com/lachlan2k/React2Shell-CVE-2025-55182-original-poc
View Code
Exploit-DB https://www.exploit-db.com/exploits/52506
View Code
MODIFIED

Vulnerability data or affected products updated.

MODIFIED

Vulnerability data updated via NVD.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.