CVE-2026-16051 WPMU DEV Dashboard < 5.0.1 - Remote Code Execution via Hub Install Action

Critical 9.8 Published Updated

An attacker can achieve remote code execution by installing malicious packages via the plugin's unverified remote management interface.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-16051?

CVE-2026-16051 is a critical code injection vulnerability in Unknown wpmudev-updates, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute arbitrary code (remote code execution).

Weakness: CWE-94

Which versions are affected by CVE-2026-16051?

How do I fix CVE-2026-16051?

No fix has been published for CVE-2026-16051 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-16051 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16051 exists.

Sources

Also known as GHSA-9hq3-gc69-h95q.

Is CVE-2026-16051 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free