What is CVE-2026-6839?

CVE-2026-6839 is a medium-severity vulnerability in Samsung One, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.6/10. Published 2026-04-22.

How severe is CVE-2026-6839?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Vulnerability in Samsung One

CVE-2026-6839

Improper validation of STRING tensor offsets could allows malformed string metadata to trigger out of bounds access during constant tensor import in Samsung Open Source ONE Affected version is prior to commit 1.30.0.

Published 2026-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Samsung One
Samsung Open Source One — versions 1.30.0

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

github.com/Samsung/ONE/pull/16481 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-6839?: CVE-2026-6839 is a medium-severity vulnerability in Samsung One, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.6/10. Published 2026-04-22.
How severe is CVE-2026-6839?: Medium severity. CVSS v3 base score is 6.6 out of 10.