Out-of-Bounds Read Vulnerability in VTK Software by Kitware
CVE-2026-9535

8.2HIGH

Key Information:

Vendor

Vtk

Status
Vtk
Vendor
CVE Published:
29 October 2026

What is CVE-2026-9535?

An out-of-bounds read vulnerability has been identified in the vtkChacoReader's InputGraph2 functionality within the VTK software, specifically in version 9.6.1. This vulnerability arises when specially crafted Chaco files are processed, potentially allowing an attacker to execute an out-of-bounds read. By supplying a malicious file, an attacker could manipulate the application's behavior, leading to unauthorized access or exposure of sensitive information.

Affected Version(s)

vtk 9.6.1

References

https://talosintelligence.com/vulnerability_reports/TALOS...
https://vtk.org/download/

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Emmanuel Tacheau of Cisco Talos
.