CVE-2026-40450

Severity: medium (CVSS 6.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-22 · updated 2026-10-26
Weakness: CWE-190

Description

Integer overflow in output tensor copy size calculation in Samsung Open Source ONE could cause incorrect copy length and memory corruption for oversized tensors. Affected version is prior to commit 1.30.0.

Affected products

Samsung Open Source ONE: before 1.30.0 — fixed in 1.30.0

How to fix

Upgrade to a fixed version: Samsung Open Source ONE 1.30.0. Check the vendor advisory for mitigations.

References

https://github.com/Samsung/ONE/pull/16481

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