What is CVE-2026-6840?

CVE-2026-6840 is a medium-severity vulnerability in Samsung Open Source One, classified under Improper Validation of Array Index. CVSS score: 5.5/10. Published 2026-04-22.

How severe is CVE-2026-6840?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Samsung Open Source One

CVE-2026-6840

Missing bounds validation for operator could allow out of range operator-code lookup during model loading Affected version is prior to commit 1.30.0.

EPSS: 0.000 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Samsung Open Source One — versions 1.30.0

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

github.com/Samsung/ONE/pull/16481

Frequently asked questions

What is CVE-2026-6840?: CVE-2026-6840 is a medium-severity vulnerability in Samsung Open Source One, classified under Improper Validation of Array Index. CVSS score: 5.5/10. Published 2026-04-22.
How severe is CVE-2026-6840?: Medium severity. CVSS v3 base score is 5.5 out of 10.