Buffer Overflow Vulnerability in Open Asset Import Library Assimp
CVE-2026-19999

5.3MEDIUM

Key Information:

Vendor

Open Asset Import Library Assimp

Status
Assimp
Vendor
CVE Published:
17 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19999?

A security vulnerability in Open Asset Import Library Assimp's Bone Transformation Key Parser allows for buffer overflow due to improper handling of the transmatrix_count/pcBoneTransforms argument in the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7. This flaw can be exploited remotely, posing a significant risk. The vulnerability has been disclosed publicly, prompting the recommendation to apply patch 50d767984e78d51b53e2020fdf0967fd624bc377 to mitigate the risk.

Affected Version(s)

Assimp 17c12da

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19999 - Proof of Concept

References

https://vuldb.com/vuln/391200
vdb-entrytechnical-description
https://vuldb.com/vuln/391200/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19999
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

TYGLS (VulDB User)
.