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TI-2026-17890 Aliases CVE-2026-22281GHSA-wf4j-qrxg-6hf2

Time-of-check time-of-use race condition in Dell PowerScale OneFS

Priority LOW 21CWE-367Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00169 6th percentileScored 2026-11-07
Fix Fixed PowerScale OneFS (Dell): 9.13.0.0, 9.5.1.6, 9.7.1.11 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellPowerScale OneFSN/A to before 9.13.0.0; N/A to before 9.5.1.6; N/A to before 9.7.1.11; N/A to before 9.10.1.49.13.0.0, 9.5.1.6, 9.7.1.11, 9.10.1.4Patch availableCNA
  • PowerScale OneFS VendorDell Affected N/A to before 9.13.0.0; N/A to before 9.5.1.6; N/A to before 9.7.1.11; N/A to before 9.10.1.4 Fixed in 9.13.0.0, 9.5.1.6, 9.7.1.11, 9.10.1.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dell:powerscale_onefs:*:*:*:*:*:*:*:*9.5.0.0 to before 9.5.1.6; 9.6.0.0 to before 9.7.1.11; 9.8.0.0 to before 9.10.1.4; 9.11.0.0 to before 9.13.0.0VulnerableDell
  • cpe:2.3:a:dell:powerscale_onefs:*:*:*:*:*:*:*:* Versions 9.5.0.0 to before 9.5.1.6; 9.6.0.0 to before 9.7.1.11; 9.8.0.0 to before 9.10.1.4; 9.11.0.0 to before 9.13.0.0 Vulnerable ·Dell

Remediation

  • Fix · CNA PowerScale OneFS (Dell) Fixed in 9.13.0.0, 9.5.1.6, 9.7.1.11, 9.10.1.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Dell PowerScale OneFS — dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-securit…

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-17887 Missing brute-force protection in Dell PowerScale OneFSPriority MEDIUM 43
    • TI-2026-17888 Dell PowerScale OneFS, versions prior 9.13.0.0, contains an insufficient logging…Priority LOW 32
    • TI-2026-17889 Incorrect permission assignment in Dell PowerScale OneFSPriority LOW 24
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22281
  2. 2026-10-03 Alias added: GHSA-wf4j-qrxg-6hf2

References

Advisory 1

  • TI-2023-15775 Protection mechanism failure in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2025-20488 Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.0, contains a use of default… CVSS 3.1CRITICAL 9.8
  • TI-2024-35757 Missing authorization in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2026-17887 Missing brute-force protection in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-13268 Broken or risky cryptographic algorithm in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-13267 Information disclosure through error messages in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.6
See all 97 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences