Ce mail provient de l'extérieur, restons vigilants ===================================================================== CERT-Renater Note d'Information No. 2026/VULN887 _____________________________________________________________________ DATE : 15/09/2026 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running Dell ObjectScale, Elastic Cloud Storage (ECS) versions prior to 4.4.0.0. ===================================================================== https://www.dell.com/support/kbdoc/en-pk/000505935/dsa-2026-393-security-update-for-dell-objectscale-multiple-vulnerabilities _____________________________________________________________________ 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. 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 Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability. 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 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. 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 3.0 2026-09-14 Minor changes - correction on text Acknowledgements CVE-2026-70416: Dell would like to thank WinD39 - Huynh Dinh Vu for reporting this issue. Related Information Dell Security Advisories and Notices Dell Vulnerability Response Policy CVSS Scoring Guide Legal Disclaimer The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation shall apply to the extent permissible under law. 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 ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================