DSA-2026-393: Security update for Dell ObjectScale Multiple Vulnerabilities
Summary: Dell ObjectScale remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Impact
Critical
Details
| Third-party Component | CVEs | More Information |
| Apache Log4j | CVE-2026-34477, CVE-2026-34478, CVE-2026-34480 | https://nvd.nist.gov/vuln/search  |
| liblzma | CVE-2026-34743 | https://nvd.nist.gov/vuln/search |
| Linux Kernel | CVE-2026-31694, CVE-2026-43499 | https://nvd.nist.gov/vuln/search |
| Proprietary Code CVEs | Description | CVSS Base Score | CVSS Vector String |
| CVE-2026-70416 | Dell ObjectScale, versions prior to 4.4.0.0, contains a Deserialization of Untrusted Data vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Remote execution. | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CVE-2025-43936 | Dell ObjectScale, versions prior to ObjectScale 4.4.0.0, contains an Improper Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVE-2026-26947 | Dell ECS versions 3.8.1.0 through 3.8.1.7, and Dell ObjectScale versions prior to 4.4.0.0, contains an Improper Privilege Management vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CVE-2026-76104 | Dell ObjectScale, versions prior to 4.4.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability in the OS. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service. | 5.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H |
| CVE-2025-36591 | Dell ECS versions 3.8.1.0 through 3.8.1.7, and Dell ObjectScale versions prior to 4.4.0.0, contains an Use of a Broken or Risky Cryptographic Algorithm vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Information exposure. | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| Proprietary Code CVEs | Description | CVSS Base Score | CVSS Vector String |
| CVE-2026-70416 | Dell ObjectScale, versions prior to 4.4.0.0, contains a Deserialization of Untrusted Data vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Remote execution. | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CVE-2025-43936 | Dell ObjectScale, versions prior to ObjectScale 4.4.0.0, contains an Improper Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVE-2026-26947 | Dell ECS versions 3.8.1.0 through 3.8.1.7, and Dell ObjectScale versions prior to 4.4.0.0, contains an Improper Privilege Management vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CVE-2026-76104 | Dell ObjectScale, versions prior to 4.4.0.0, contains an Incorrect Permission Assignment for Critical Resource vulnerability in the OS. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service. | 5.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H |
| CVE-2025-36591 | Dell ECS versions 3.8.1.0 through 3.8.1.7, and Dell ObjectScale versions prior to 4.4.0.0, contains an Use of a Broken or Risky Cryptographic Algorithm vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Information exposure. | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected Products & Remediation
| Product | Affected Versions | Remediated Versions | Link |
| Elastic Cloud Storage (ECS) | Versions 3.x through 3.8.1.7 | Version 4.4.0.0 or later | Open a Service Request for an Operating Environment Upgrade and Quote DSA-2026-393 |
| ObjectScale | Versions prior to 4.4.0.0 | Open a Service Request for an Operating Environment Upgrade and Quote DSA-2026-393 |
| Product | Affected Versions | Remediated Versions | Link |
| Elastic Cloud Storage (ECS) | Versions 3.x through 3.8.1.7 | Version 4.4.0.0 or later | Open a Service Request for an Operating Environment Upgrade and Quote DSA-2026-393 |
| ObjectScale | Versions prior to 4.4.0.0 | Open a Service Request for an Operating Environment Upgrade and Quote DSA-2026-393 |
Note:
- Customers on any supported affected versions/releases listed in the ‘Affected Products and Remediation’ section may also upgrade directly to the 4.2.0.1 release.
- Dell recommends all customers have their ObjectScale systems upgraded at the earliest opportunity by opening an “Operating Environment Upgrade” Service Request.
- Please visit the Security Update Release Schedule for Supported Versions of ObjectScale (formerly ECS) for more information.
Workarounds & Mitigations
| CVE ID | Workaround and Mitigation |
|
CVE-2025-43936 |
Refer to the Secure Service-Level Communication section in the official "Security Configuration Guide" |
Revision History
| Revision | Date | Description |
| 1.0 | 2026-09-10 | Initial Release |
| 2.0 | 2026-09-11 | Minor updates |
Acknowledgements
CVE-2026-70416: Dell would like to thank WinD39 - Huynh Dinh Vu for reporting this issue.
Related Information
Legal Disclaimer
Affected Products
ECS, ObjectScale, ECS Appliance, ECS Appliance Hardware Series, ECS Appliance Software with Encryption, ECS Appliance Software without Encryption, ObjectScale Software with Encryption, ObjectScale Software without Encryption
, ObjectScale Appliance Series, ObjectScale Software Series
...
Article Properties
Article Number: 000505935
Article Type: Dell Security Advisory
Last Modified: 11 Sep 2026
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