Is CVE-2026-23870 actively exploited?

No active exploitation of CVE-2026-23870 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-23870 be exploited remotely?

Yes. CVE-2026-23870 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-23870?

CVE-2026-23870 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-23870

Published: May 6, 2026· Updated: May 7, 2026

7.5

CVSS v3.1

EPSS:0.32%probability of exploitation in 30 daysPercentile:55.2th

Official 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).

NVD Source

Technical Analysis

CVE-2026-23870 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.