CVE-2026-38891 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a Denial of Service in Gazebo ROS plugins by sending a crafted Twist message due to improper input validation.

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-2026-38891?

CVE-2026-38891 is a high-severity denial of service vulnerability in n/a, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An improper input validation in the gazebo_ros_diff_drive.cpp component of gazebo_plugins v3.9.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted geometry_msgs::Twist message.

Weakness: CWE-20

Which versions are affected by CVE-2026-38891?

How do I fix CVE-2026-38891?

No fix has been published for CVE-2026-38891 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-38891 being exploited?

There is no known exploitation of CVE-2026-38891 in the wild and no public exploit code.

Sources

Also known as GHSA-866x-255q-hx3g.

Is CVE-2026-38891 in your software?

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