Is CVE-2026-23869 actively exploited?

No active exploitation of CVE-2026-23869 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-23869 be exploited remotely?

Yes. CVE-2026-23869 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-23869?

CVE-2026-23869 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-23869

HIGH

CVE-2026-23869

CWE-400Published: April 8, 2026· Updated: Apr 8, 2026

7.5

CVSS v3.1

EPSS:0.32%probability of exploitation in 30 daysPercentile:55.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-23869 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.