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Dell ObjectScale CVE-2026-56686

| EUVDEUVD-2026-60177 HIGH
OS Command Injection (CWE-78)
2026-08-17 security_alert@emc.com GHSA-ff4p-qfvc-3hh3
7.8
CVSS 3.1 · Vendor: emc
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Severity by source

Vendor (emc) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
7.8 HIGH

Local access with a low-privilege account is required to reach the injection point, and successful exploitation yields full confidentiality, integrity, and availability impact through privilege escalation.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (emc).

CVSS VectorVendor: emc

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Aug 17, 2026 - 14:37 vuln.today
Patch available
Aug 17, 2026 - 14:31 EUVD
CVE Published
Aug 17, 2026 - 14:20 cve.org
HIGH 7.8

DescriptionCVE.org

Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

AnalysisAI

OS command injection in Dell ObjectScale versions prior to 4.3.0.1 allows a local low-privileged attacker to escalate privileges to a higher permission level by supplying crafted input that is passed unsanitized to a system shell. The CVSS 3.1 score of 7.8 (High) reflects complete compromise of confidentiality, integrity, and availability on the affected node. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an existing low-privileged local account on a Dell ObjectScale node running a version prior to 4.3.0.1, combined with the ability to invoke the vulnerable component - such as a local CLI tool or administrative interface - and supply user-controlled input. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H scores 7.8 High, capturing that while a local foothold is required, exploitation is low-complexity, needs no user interaction, and yields complete node compromise through privilege escalation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Dell ObjectScale to version 4.3.0.1 or later as directed by Dell Security Advisory DSA-2026-328, available at https://www.dell.com/support/kbdoc/en-us/000500724/dsa-2026-328-security-update-for-dell-objectscale-multiple-proprietary-code-vulnerabilities. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, conduct an inventory of all Dell ObjectScale deployments to identify systems running versions prior to 4.3.0.1, isolating affected systems if immediate patching is not feasible. …

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CVE-2026-56686 vulnerability details – vuln.today

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