GHSA-rv78-f8rc-xrxh

Source

https://github.com/advisories/GHSA-rv78-f8rc-xrxh

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-rv78-f8rc-xrxh

Aliases

CVE-2026-23870

Published

2026-05-11T14:50:07Z

Modified

2026-05-11T15:11:41Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Facebook React has a Denial of Service Vulnerability in React Server Components

Details

Impact

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to out-of-memory exceptions or excessive CPU usage.

We recommend updating immediately.

The vulnerability exists in versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5 of:

react-server-dom-webpack react-server-dom-parcel react-server-dom-turbopack

Patches

Fixes were back ported to versions 19.0.6, 19.1.7, and 19.2.6.

If you are using any of the above packages please upgrade to any of the fixed versions immediately.

If your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.

References See the blog post for more information and upgrade instructions.

Database specific

{
    "cwe_ids": [
        "CWE-400",
        "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-11T14:50:07Z",
    "nvd_published_at": "2026-05-06T17:16:22Z",
    "severity": "HIGH"
}

References

Affected packages

npm

react-server-dom-parcel

Package

Name: react-server-dom-parcel; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-parcel

Affected ranges

Type: SEMVER
Events: Introduced

19.0.0

Fixed

19.0.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-turbopack

Package

Name: react-server-dom-turbopack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-turbopack

Affected ranges

Type: SEMVER
Events: Introduced

19.0.0

Fixed

19.0.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-webpack

Package

Name: react-server-dom-webpack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-webpack

Affected ranges

Type: SEMVER
Events: Introduced

19.0.0

Fixed

19.0.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-parcel

Package

Name: react-server-dom-parcel; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-parcel

Affected ranges

Type: SEMVER
Events: Introduced

19.1.0

Fixed

19.1.7

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-turbopack

Package

Name: react-server-dom-turbopack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-turbopack

Affected ranges

Type: SEMVER
Events: Introduced

19.1.0

Fixed

19.1.7

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-webpack

Package

Name: react-server-dom-webpack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-webpack

Affected ranges

Type: SEMVER
Events: Introduced

19.1.0

Fixed

19.1.7

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-parcel

Package

Name: react-server-dom-parcel; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-parcel

Affected ranges

Type: SEMVER
Events: Introduced

19.2.0

Fixed

19.2.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-turbopack

Package

Name: react-server-dom-turbopack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-turbopack

Affected ranges

Type: SEMVER
Events: Introduced

19.2.0

Fixed

19.2.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"

react-server-dom-webpack

Package

Name: react-server-dom-webpack; View open source insights on deps.dev
Purl: pkg:npm/react-server-dom-webpack

Affected ranges

Type: SEMVER
Events: Introduced

19.2.0

Fixed

19.2.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-rv78-f8rc-xrxh/GHSA-rv78-f8rc-xrxh.json"