CVE catalog

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-

[CVE catalog]

Severity
Critical · CVSS 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
Exploitation
CISA Known Exploited Vulnerabilities
EPSS
99.80% · Oct 25, 2026

Meta React Server Components contains a remote code execution vulnerability that could allow unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React Server Function endpoints. Please note CVE-2025-66478 has been rejected, but it is associated with CVE-2025- 55182.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
CpereactNot reportedNot reportedunknown
CpereactNot reportedNot reportedunknown
CpereactNot reportedNot reportedunknown
CpereactNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reported15.1.9fixed
Cpenext.jsNot reported15.2.6fixed
Cpenext.jsNot reported15.3.6fixed
Cpenext.jsNot reported15.4.8fixed
Cpenext.jsNot reported15.5.7fixed
Cpenext.jsNot reported16.0.7fixed
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown
Cpenext.jsNot reportedNot reportedunknown

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Cpenext.jscpeNot reported15.1.9Not reportedNVD-CVE-2025-55182Not reported
Cpenext.jscpeNot reported15.2.6Not reportedNVD-CVE-2025-55182Not reported
Cpenext.jscpeNot reported15.3.6Not reportedNVD-CVE-2025-55182Not reported
Cpenext.jscpeNot reported15.4.8Not reportedNVD-CVE-2025-55182Not reported
Cpenext.jscpeNot reported15.5.7Not reportedNVD-CVE-2025-55182Not reported
Cpenext.jscpeNot reported16.0.7Not reportedNVD-CVE-2025-55182Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References