CVE-2026-52486 Denial of service in n/a

Medium 6.6 Published Updated

A local attacker can cause a denial of service in OpenDDS via the verify function in the SignedDocument module.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-52486?

CVE-2026-52486 is a medium-severity denial of service vulnerability in n/a, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue in OpenDDS 3.33.x allows a local attacker to cause a denial of service via the verify function in the SIgnedDocument module

Weakness: CWE-347

Which versions are affected by CVE-2026-52486?

How do I fix CVE-2026-52486?

No fix has been published for CVE-2026-52486 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-2026-52486 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52486 exists.

Sources

Also known as GHSA-2c3q-4r43-mv83.

Is CVE-2026-52486 in your software?

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