CVE-2026-9535 vtk - Out-of-Bounds Read

vtk 9.6.1 contains an out-of-bounds read caused by improper handling of specially crafted chaco files in vtkChacoReader InputGraph2, letting attackers read memory out-of-bounds, exploit requires malicious file input.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out-of-Bounds Read
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-125

Vendor fix

Update to the latest version of vtk.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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