GHSA-cpqf-f22c-r95x Vite Plugin React has a Denial of Service Vulnerability in React Server Components

Not scored Published

A denial of service vulnerability in the vendored React Server Components library allows attackers to disrupt services using the Vite React plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is GHSA-cpqf-f22c-r95x?

GHSA-cpqf-f22c-r95x is a denial of service vulnerability in @vitejs/plugin-rsc, published on 12 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Impact

@vitejs/plugin-rsc vendors react-server-dom-webpack, which contained a vulnerability in versions prior to 19.2.3. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-7gmr-mq3h-m5h9

Patches

Upgrade immediately to @vitejs/[email protected] or later.

Which versions are affected by GHSA-cpqf-f22c-r95x?

2 open source packages ship an affected version, including @vitejs/plugin-rsc.

PackageAffectedFixed in
@vitejs/plugin-rsc npmAll versions0.5.7
@vitejs/plugin-rsc npmAll versions0.5.7

How do I fix GHSA-cpqf-f22c-r95x?

Upgrade @vitejs/plugin-rsc to 0.5.7 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is GHSA-cpqf-f22c-r95x being exploited?

There is no known exploitation of GHSA-cpqf-f22c-r95x in the wild and no public exploit code.

Sources

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