CVE-2026-19970

Open Asset Import Library Assimp Node MDLLoader.cpp AddBonesToNodeGraph_3DGS_MDL7 heap-based overflow

MEDIUM
6.3
CVSS Score
Published: August 17, 2026 at 01:15 AM UTC
Updated: August 20, 2026 at 01:05 PM UTC
1 product affected across 1 vendorAssimp

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability was detected in Open Asset Import Library Assimp 17c12da. This affects the function Assimp::MDLImporter::AddBonesToNodeGraph_3DGS_MDL7 of the file code/AssetLib/MDL/MDLLoader.cpp of the component Node Parser. The manipulation of the argument bones_num results in heap-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/391147
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/391147/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-19970
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/873131
Issue Tracking
Source: cverecord
https://github.com/assimp/assimp/issues/6632

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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