CVE-2026-23870 | BDVDB-2026-330804 Detail

Metareact-server-dom-turbopack

Description#

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

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

Exploit#

No public exploit known

History#

Version 12026-05-06Record published in the CVE List.

Published

Published: 2026-05-06
Last modified: 2026-05-06

Vendor information

Vendor: Meta
Product: react-server-dom-turbopack

All Meta vulnerabilities

Score

7.5 High

EPSS

1.5%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 75.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 19.0.0 and <= 19.0.5
Fixed
Not stated
Vulnerable
>= 19.1.0 and <= 19.1.6
Fixed
Not stated
Vulnerable
>= 19.2.0 and <= 19.2.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).