CVE-2026-82591: Open Asset Import Library Assimp

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.

Affected products

• Open Asset Import Library Assimp: version 6.0.0 only; version 6.0.1 only; version 6.0.2 only

Published 2026-08-30. Last modified 2026-09-01.