CVE-2026-10718

Open Seachest/Seachest NVMe Trim (Deallocate) Vulnerability

State: Published
Severity: 4.6 Medium
Published: Jun 2, 2026
Updated: Jun 3, 2026
Reserved: Jun 2, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	4.6 Medium	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	Seagate

Weaknesses

CWE-787 Out-of-bounds write

Affected Products

Product	Versions
openSeaChest	26.03.0 and earlierAffected

References

https://www.seagate.com/product-security/#security-advisories
https://www.seagate.com/support/software/seachest/

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