CVE-2026-111128 Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment

Medium 6.8 Published Updated

Attackers can crash applications using Assimp by providing crafted 3D model files with invalid bone indices, causing a null pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-111128?

CVE-2026-111128 is a medium-severity vulnerability in assimp, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.

Weakness: CWE-476

Which versions are affected by CVE-2026-111128?

How do I fix CVE-2026-111128?

No fix has been published for CVE-2026-111128 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-111128 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111128 exists.

Sources

Also known as DEBIAN-CVE-2026-111128, GHSA-qxj4-4wqq-r2q6, UBUNTU-CVE-2026-111128.

Is CVE-2026-111128 in your software?

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

Check your SBOMs for free