CVE-2026-19999

MEDIUM 6.3

Open Asset Import Library Assimp 3DGS MDL7 Bone Transformation Key MDLLoader.cpp ParseBoneTrafoKeys_3DGS_MDL7 buffer overflow

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

A security vulnerability has been detected in Open Asset Import Library Assimp Assimp 17c12da. The affected element is the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component 3DGS MDL7 Bone Transformation Key Parser. The manipulation of the argument transmatrix_count/pcBoneTransforms leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is 50d767984e78d51b53e2020fdf0967fd624bc377. It is recommended to apply a patch to fix this issue.

CWE	CWE-120 CWE-119
Vendor	open asset import library assimp
Product	assimp
Published	Aug 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Open Asset Import Library Assimp / Assimp

17c12da

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391200 vuldb.com: https://vuldb.com/vuln/391200/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19999 vuldb.com: https://vuldb.com/submit/873132 github.com: https://github.com/assimp/assimp/issues/6633 github.com: https://github.com/assimp/assimp/pull/6759 github.com: https://github.com/user-attachments/files/27429337/poc.zip github.com: https://github.com/assimp/assimp/commit/50d767984e78d51b53e2020fdf0967fd624bc377

Credits

🔍 TYGLS (VulDB User)