CVE-2026-10199 Assimp glTF2Asset.h LazyDict null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in Assimp's glTF2Asset.h library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-10199?
CVE-2026-10199 is a medium-severity vulnerability in Assimp, published on 31 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in Assimp up to 6.0.4. Affected by this issue is the function glTF2::LazyDict in the library glTF2Asset.h. Such manipulation of the argument operator[] leads to null pointer dereference. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is d24b85319bd70c65883a2b96613e07e23fb95981. It is best practice to apply a patch to resolve this issue.
Which versions are affected by CVE-2026-10199?
How do I fix CVE-2026-10199?
Apply the vendor's patch.
Is CVE-2026-10199 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10199 exists.
Sources
Also known as DEBIAN-CVE-2026-10199, GHSA-6rfw-vrjc-wff7, UBUNTU-CVE-2026-10199.