DSA-2026-049: Security Update for Dell PowerScale OneFS Multiple Vulnerabilities
Summary: Dell PowerScale OneFS remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.
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Impact
High
Details
| Proprietary Code CVEs | Description | CVSS Base Score | CVSS Vector String |
| CVE-2026-22278 | Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts 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-2026-22280 | Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains an incorrect permission assignment for critical resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service. | 5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
| CVE-2026-22279 | Dell PowerScale OneFS, versions prior 9.13.0.0, contains an insufficient logging vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information tampering. | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| CVE-2026-22281 | Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A low privileged attacker with adjacent network access could potentially exploit this vulnerability, leading to denial of service. | 3.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Proprietary Code CVEs | Description | CVSS Base Score | CVSS Vector String |
| CVE-2026-22278 | Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts 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-2026-22280 | Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains an incorrect permission assignment for critical resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service. | 5.0 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
| CVE-2026-22279 | Dell PowerScale OneFS, versions prior 9.13.0.0, contains an insufficient logging vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information tampering. | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| CVE-2026-22281 | Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A low privileged attacker with adjacent network access could potentially exploit this vulnerability, leading to denial of service. | 3.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
Affected Products & Remediation
| CVEs Addressed | Product | Affected Versions | Remediated Versions | Link |
| CVE-2026-22278, CVE-2026-22280, CVE-2026-22279, CVE-2026-22281 | PowerScale OneFS | Versions prior to 9.13.0.0 | Version 9.13.0.0 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.5.0.0 through 9.5.1.5 | Version 9.5.1.6 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.6.0.0 through 9.7.1.10 | Version 9.7.1.11 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.8.0.0 through 9.10.1.3 | Version 9.10.1.4 or later | PowerScale OneFS Downloads Area |
| CVEs Addressed | Product | Affected Versions | Remediated Versions | Link |
| CVE-2026-22278, CVE-2026-22280, CVE-2026-22279, CVE-2026-22281 | PowerScale OneFS | Versions prior to 9.13.0.0 | Version 9.13.0.0 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.5.0.0 through 9.5.1.5 | Version 9.5.1.6 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.6.0.0 through 9.7.1.10 | Version 9.7.1.11 or later | PowerScale OneFS Downloads Area |
| CVE-2026-22280, CVE-2026-22281 | PowerScale OneFS | Versions 9.8.0.0 through 9.10.1.3 | Version 9.10.1.4 or later | PowerScale OneFS Downloads Area |
Notes:
- We encourage all customers to adopt the Long-Term Support (LTS) 2025 version which is 9.10.1.x code line, with the latest maintenance release.
- For more information on LTS code lines, see Dell Infrastructure Solutions Group (ISG) LTS Release Support Customer Summary and Security Update Release Schedule for Supported Versions of Dell PowerScale OneFS.
Workarounds & Mitigations
| CVE ID | Workaround and Mitigations |
| CVE-2026-22278 |
The following workaround can be put in place to reduce feasibility of exploitation until an upgrade to a fixed release, or patch can be applied. To help mitigate brute force attacks, the following can be configured: isi auth settings global modify --failed-login-delay-time <duration> This setting is available and applies in each, most recent, LTS releases. |
Revision History
| Revision | Date | Description |
| 1.0 | 2026-01-15 | Initial Release |
| 2.0 | 2026-02-11 |
Major update to include workaround and mitigation
|
Related Information
Legal Disclaimer
Affected Products
PowerScale OneFSArticle Properties
Article Number: 000415586
Article Type: Dell Security Advisory
Last Modified: 11 Feb 2026
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