Seagate openSeaChest up to 26.03.0 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Seagate openSeaChest up to 26.03.0 and classified as critical. This impacts an unknown function. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2026-10718. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Seagate openSeaChest up to 26.03.0. It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at seagate.com. This vulnerability is handled as CVE-2026-10718 since 06/03/2026. The exploitation is known to be easy. The attack needs to be approached locally. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34043). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.2
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/02/2026 VulDB entry created
06/03/2026 +0 days Advisory disclosed
06/03/2026 +0 days CVE reserved
06/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: seagate.com
Status: Confirmed

CVE: CVE-2026-10718 (🔒)
GCVE (CVE): GCVE-0-2026-10718
GCVE (VulDB): GCVE-100-368036
EUVD: 🔒

Entryinfo

Created: 06/03/2026 01:34
Updated: 06/03/2026 04:39
Changes: 06/03/2026 01:34 (70), 06/03/2026 04:39 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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