Medium severity · published Aug 30, 2026
CVE-2026-82591
Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Assimp · Open Asset Import Library
6.0.0; 6.0.1; 6.0.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82591
github.com
https://github.com/assimp/assimp/commit/bf9dabb617c46e5133dac65cca6bff177917afcb
github.com
https://github.com/assimp/assimp/pull/6718
vuldb.com
https://vuldb.com/cve/CVE-2026-82591
vuldb.com
https://vuldb.com/submit/892413
vuldb.com
https://vuldb.com/vuln/397086
vuldb.com
https://vuldb.com/vuln/397086/cti
More from Assimp
9.8
CVE-2025-2152
A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3
8.8
CVE-2025-3015
A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3
8.8
CVE-2025-2757
A vulnerability classified as critical was found in Open Asset Import Library Assimp 5.4.3
8.8
CVE-2025-2756
A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3
8.8
CVE-2025-2755
A vulnerability was found in Open Asset Import Library Assimp 5.4.3