npm package report

Is react-server-dom-webpack safe?

react-server-dom-webpack (npm) has 3 known vulnerabilities, the worst rated CRITICAL. Upgrade to 19.2.9 or later to clear all of them. No malicious-package signal is recorded.

// reach

6 direct dependencies

1 carry known advisories, worst HIGH

acornHIGH

3 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

cvss

9.5

critical

CVSS v4.0 base score out of 10

epss

1.8%

medium

chance of exploitation in 30 days, 78th percentile of all CVEs

xyz score

4.9

medium

CyberXYZ composite out of 10

fig. 01 — GHSA-xqc2-xf4c-x3h3, the advisory selected below

// 3 advisories

GHSA-xqc2-xf4c-x3h3

CRITICALGitHub ratingCVE-2026-126187

Crafted payloads targeting frameworks supporting React Server Components can lead to remote code execution.

Full advisory text at GitHub advisory or NVD.

// cvss v4.0 vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N

Attack vector: Network
Attack complexity: Low
Attack requirements: Present
Privileges required: None
User interaction: None
Confidentiality (vulnerable system): High
Integrity (vulnerable system): High
Availability (vulnerable system): High
Confidentiality (subsequent systems): High
Integrity (subsequent systems): High
Availability (subsequent systems): None

// questions

Is react-server-dom-webpack safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 3 known vulnerabilities for react-server-dom-webpack (npm), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does react-server-dom-webpack have known vulnerabilities?

Yes. CyberXYZ records 3 known vulnerabilities for react-server-dom-webpack (npm), the worst rated CRITICAL. They are GHSA-xqc2-xf4c-x3h3, GHSA-fv66-9v8q-g76r, GHSA-wx67-qw84-cm4g.

Which version of react-server-dom-webpack should I use?

19.2.9 or later clears every advisory recorded for react-server-dom-webpack (npm). Check the release you pick before installing it.

How do I check react-server-dom-webpack before installing?

Search react-server-dom-webpack in CyberXYZ Check at https://cyberxyz.io/check?q=react-server-dom-webpack. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 06:05 UTC. The most recent advisory here was published 2026-11-10. Updated continuously from NVD, GHSA, OSV and CNA feeds.