SCA: security update for react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack (GHSA-479c-33wc-g2pg)

high Tenable Self-Hosted Container Security Plugin ID 440154

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A denial of service vulnerability exists in React Server Components, affecting the following packages:
react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through
19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4). The vulnerability is triggered by sending
specially crafted HTTP requests to Server Function endpoints.The payload of the HTTP request causes
excessive CPU usage for up to a minute ending in a thrown error that is catchable. (CVE-2026-23869)

Solution

Update the react-server-dom-parcel library and its related packages to version 19.0.5 or later.

See Also

https://github.com/advisories/GHSA-479c-33wc-g2pg

Plugin Details

Severity: High

ID: 440154

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 4/10/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.7

Percentile: 96.47

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-23869

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/10/2026

Vulnerability Publication Date: 4/8/2026

Reference Information

CVE: CVE-2026-23869