🛡️ CVE-2026-40449 — one

🟡 CVSS 6.6 — Medium ✅ No Known Exploit CWE-190 NVD
6.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Integer overflow in buffer size calculation could result in out of bounds memory access when handling large tensors in Samsung Open Source ONE.

Affected version is prior to commit 1.30.0.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability high.

Weakness class

CVE-2026-40449 is classified as CWE-190: Integer Overflow or Wraparound. Arithmetic produces a value too large for its type and wraps around, so a later size or bounds check passes when it should not.

Affected software

CVE-2026-40449 is recorded against 1 package.

  • one (fixed in 1.30.0)

Timeline and source

Published on 22 April 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com

Details

Severity MEDIUM
CVSS Score 6.6
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CWE CWE-190
Public Exploit ✅ No
Source NVD
Published 2026-04-22
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
one — 1.30.0

References

Similar Threats

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