SECUFOCUSNOW
Home›CVE index›CVE-2025-55182
CISA KEV · Known exploitedCritical

CVE-2025-55182

Meta react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel

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.

CVSS
10
EPSS
99.6%
99.9% percentile
CISA KEV
Listed
Published
2025.12.04
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability99.6%
Technical severityCVSS 10

Vulnerability overview

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.

Affected product and versions

Product
Meta react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel
Affected versions
>= 19.0.0 <= 19.0.0, >= 19.1.0 <= 19.1.1, >= 19.2.0 <= 19.2.0, 19.0.0, 19.1.0, 19.1.1, 19.2.0, >= 15.0.0 < 15.0.5, >= 15.1.0 < 15.1.9, >= 15.2.0 < 15.2.6, >= 15.3.0 < 15.3.6, >= 15.4.0 < 15.4.8, >= 15.5.0 < 15.5.7, >= 16.0.0 < 16.0.7, 14.3.0, 15.6.0, 16.0.0
Fixed versions
15.0.5, 15.1.9, 15.2.6, 15.3.6, 15.4.8, 15.5.7, 16.0.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Due date: 2025.12.12
  1. 1
    Identify

    Confirm that Meta react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
CWE-502
KEV added
2025.12.05
Ransomware use
확인됨
CVE-2025-55182 — Meta react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel | SECUFOCUS NOW