DSA-2026-393: Security update for Dell ObjectScale Multiple Vulnerabilities
Sommaire: 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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Impact
Critical
Détails
| 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 |
Produits touchés et correction
| 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 4.4.0.0 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.
Solutions de contournement et mesures d’atténuation
| CVE ID | Workaround and Mitigation |
|
CVE-2025-43936 |
Refer to the Secure Service-Level Communication section in the official "Security Configuration Guide" |
Historique de révision
| Revision | Date | Description |
| 1.0 | 2026-09-10 | Initial Release |
| 2.0 | 2026-09-11 | Minor updates |
| 3.0 | 2026-09-14 | Minor changes - correction on text |
Reconnaissances
CVE-2026-70416: Dell would like to thank WinD39 - Huynh Dinh Vu for reporting this issue.
Renseignements connexes
Avis de non-responsabilité
Produits touchés
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
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Propriétés de l’article
Numéro d’article: 000505935
Type d’article: Dell Security Advisory
Dernière modification: 14 sept. 2026
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