Medium severity · published Jan 22, 2026
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…
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
PowerScale OneFS · Dell
before 9.13.0.0; before 9.5.1.6; before 9.7.1.11; before 9.10.1.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22281
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22281
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities
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