Medium severity · published Oct 15, 2026
CVE-2026-111128
Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
assimp · assimp
through 6.0.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111128
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111128
github.com
https://github.com/assimp/assimp
github.com
https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L621-L634
github.com
https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L914-L921
hackmd.io
https://hackmd.io/@haind-pwn/assimp-ogre-mesh-bone-submesh-null-deref
www.vulncheck.com
https://www.vulncheck.com/advisories/assimp-through-6.0.5-null-pointer-dereference-via-ogre-importer-bone-assignment
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