Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Open Asset Import Library Assimp 3DGS MDL7 Bone Transformation Key MDLLoader.cpp ParseBoneTrafoKeys_3DGS_MDL7 buffer overflow
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P L L L 2.1 .0027 19.8 —
AFFECTED
Product Versions Fixed
Assimp 17c12da – —
TIMELINE
Aug 16 EXPLOIT PUBLISHED — CVE-2026-19999 (Open Asset Import Library Assimp Assimp). Public exploit reference added.
Aug 16 Reserved by VulDB
Aug 17 Published (CNA: VulDB)
Description
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 16, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-19999 (Open Asset Import Library Assimp Assimp). Public exploit reference added. |
| August 16, 2026 | Reserved | Reserved by VulDB |
| August 17, 2026 | Published | Published (CNA: VulDB) |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19999 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.