CVE-2026-11388 Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation.

Medium 6.9 Published Updated

A double free vulnerability in RTI Connext Professional Core Libraries allows attackers to manipulate files and potentially execute code.

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-2026-11388?

CVE-2026-11388 is a medium-severity use after free vulnerability in RTI Connext Professional, published on 22 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Double Free vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.1.0 before 7.3.1.6.

Weakness: CWE-415

Which versions are affected by CVE-2026-11388?

How do I fix CVE-2026-11388?

No fix has been published for CVE-2026-11388 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-11388 being exploited?

There is no known exploitation of CVE-2026-11388 in the wild and no public exploit code.

Sources

Also known as GHSA-v92f-pq7v-xvmq.

Is CVE-2026-11388 in your software?

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

Check your SBOMs for free