Vulnerability in Dell Powerscale Onefs
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (5.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-22281?
- CVE-2026-22281 is a low-severity vulnerability in Dell Powerscale Onefs, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 3.5/10. Published 2026-01-22.
- How severe is CVE-2026-22281?
- Low severity. CVSS v3 base score is 3.5 out of 10.