Vulnerability · Published Jun 2, 2026 · Assigned by Seagate
CVE-2026-10719Open Seachest/Seachest NVMe show Format Descriptors Vulnerability
Low 1.8
In plain English
A low-severity out-of-bounds write in openSeaChest. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 4.0)1.8Low
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out of bounds write in openSeaChest’s --showSupportedFormats in Seagate’s openSeaChest v25.05.3 on all supported platforms allows for writing 1 extra byte outside of allocated memory which sets a value to 1 via a maliciously crafted NVMe device with a bogus value in the namespace FLBAS byte.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| openSeaChest | 0 – through 25.05.3 |
Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/S:N/AU:Y/R:A/V:D/RE:L/U:Clear