CVE-2026-10718 MEDIUM

CVE-2026-10718: Open Seachest/Seachest NVMe Trim (Deallocate) Vulnerability

Weakness CWE-787
Published June 2, 2026
Last update June 3, 2026

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/AU:Y/R:U/V:D/RE:L/U:Green

What the vulnerability does

01Description

Out of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.03.0 on all supported platforms allows for writing extra memory describing a range of LBAs to deallocate 16 bytes outside of the allocated space when running this operation.

Key dates

02Disclosure timeline

June 2, 2026 CVE published
June 3, 2026 Record updated