Medium severity · published Jun 1, 2026
CVE-2026-10231
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.
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)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Assimp · Assimp
6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10231
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10231
github.com
https://github.com/assimp/assimp/
github.com
https://github.com/assimp/assimp/issues/6616
github.com
https://github.com/user-attachments/files/27195744/poc.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-10231
vuldb.com
https://vuldb.com/submit/821191
vuldb.com
https://vuldb.com/vuln/367510
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