CVE-2026-19970 — Security Box Score

CVE · referencelatest edition

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.

CVE-2026-19970LOW

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

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   P   L   L   L    2.1   .0034   27.2     —

AFFECTED
  Product  Versions   Fixed
  Assimp   17c12da –  —

TIMELINE
  Aug 16  EXPLOIT PUBLISHED — CVE-2026-19970 (Open Asset Import Library Assimp). Public exploit reference added.
  Aug 16  Reserved by VulDB
  Aug 17  Published (CNA: VulDB)

CWE-122, CWE-119 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Received

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 16, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-19970 (Open Asset Import Library Assimp). Public exploit reference added.
August 16, 2026	Reserved	Reserved by VulDB
August 17, 2026	Published	Published (CNA: VulDB)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Open Asset Import Library	Assimp	—	17c12da	—

Weaknesses

CWE-122 · CWE-119

References (6)

https://github.com/assimp/assimp/issues/6632 [issue-tracking]
https://github.com/user-attachments/files/27428677/poc.zip [exploit]
https://vuldb.com/cve/CVE-2026-19970 [third-party-advisory]
https://vuldb.com/submit/873131 [third-party-advisory]
https://vuldb.com/vuln/391147 [vdb-entry, technical-description]
https://vuldb.com/vuln/391147/cti [signature, permissions-required]

Authoritative record: CVE-2026-19970 at cve.org

Vendors: open asset import library

Weaknesses: CWE-122 · CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19970 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.