CVE-2026-10718 Open Seachest/Seachest NVMe Trim (Deallocate) Vulnerability
An out-of-bounds write in openSeaChest's Trim operation allows attackers to corrupt memory, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10718?
CVE-2026-10718 is a medium-severity memory corruption vulnerability, published on 2 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-10718?
How do I fix CVE-2026-10718?
No fix has been published for CVE-2026-10718 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-10718 being exploited?
There is no known exploitation of CVE-2026-10718 in the wild and no public exploit code.
Sources
Also known as GHSA-qmm7-2j5h-mvvv.