CVE-2026-10719: CWE-787 Out-of-bounds write
CVE-2026-10719 is an out-of-bounds write vulnerability in Seagate's openSeaChest v25. 05. 3 affecting the --showSupportedFormats feature. The flaw allows writing one extra byte outside allocated memory triggered by a malicious NVMe device with a crafted namespace FLBAS byte. The vulnerability has a low CVSS score of 1. 8 and does not have a known exploit in the wild. No patch or official remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-10719) involves an out-of-bounds write (CWE-787) in the openSeaChest utility version 25.05.3 by Seagate. Specifically, the issue occurs in the --showSupportedFormats function where a maliciously crafted NVMe device can cause the software to write one byte beyond the allocated memory boundary by supplying a bogus value in the namespace FLBAS byte. The CVSS 4.0 base score is 1.8, indicating low severity, with attack vector local, high attack complexity, and privileges required at a high level. The vulnerability is published but no patch or remediation level has been provided by Seagate as of the publication date.
Potential Impact
The impact is limited to a single byte being written out of bounds in memory, which could potentially alter a value to 1. However, the low CVSS score and lack of known exploits suggest minimal risk of significant damage or system compromise. The vulnerability requires local access with high privileges and a malicious NVMe device, limiting the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround has been published by Seagate, users should monitor vendor communications for updates. Until a patch is available, avoid using untrusted NVMe devices with openSeaChest's --showSupportedFormats feature, especially in environments where high privilege access is granted.
CVE-2026-10719: CWE-787 Out-of-bounds write
Description
CVE-2026-10719 is an out-of-bounds write vulnerability in Seagate's openSeaChest v25. 05. 3 affecting the --showSupportedFormats feature. The flaw allows writing one extra byte outside allocated memory triggered by a malicious NVMe device with a crafted namespace FLBAS byte. The vulnerability has a low CVSS score of 1. 8 and does not have a known exploit in the wild. No patch or official remediation guidance is currently available from the vendor.
CVSS v4.0
Score 1.8low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-10719) involves an out-of-bounds write (CWE-787) in the openSeaChest utility version 25.05.3 by Seagate. Specifically, the issue occurs in the --showSupportedFormats function where a maliciously crafted NVMe device can cause the software to write one byte beyond the allocated memory boundary by supplying a bogus value in the namespace FLBAS byte. The CVSS 4.0 base score is 1.8, indicating low severity, with attack vector local, high attack complexity, and privileges required at a high level. The vulnerability is published but no patch or remediation level has been provided by Seagate as of the publication date.
Potential Impact
The impact is limited to a single byte being written out of bounds in memory, which could potentially alter a value to 1. However, the low CVSS score and lack of known exploits suggest minimal risk of significant damage or system compromise. The vulnerability requires local access with high privileges and a malicious NVMe device, limiting the attack surface.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround has been published by Seagate, users should monitor vendor communications for updates. Until a patch is available, avoid using untrusted NVMe devices with openSeaChest's --showSupportedFormats feature, especially in environments where high privilege access is granted.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Seagate
- Date Reserved
- 2026-06-02T22:28:43.984Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1f64cce29bf47b5010d689
Added to database: 6/2/2026, 11:18:36 PM
Last enriched: 6/2/2026, 11:34:02 PM
Last updated: 6/3/2026, 5:08:10 AM
Views: 5
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