CVE-2026-10718 – Out of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.0

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.