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Vulnerability record · CVE-2026-40635 · published 9 September 2026

CVE-2026-40635: Dell powerscale onefs vulnerability

Dell · Powerscale Onefs

Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 contain an Insecure Temporary File vulnerability. A low privileged remote attacker could potentially exploit this vulnerability, leading to denial of service and information tampering.

5.4 CVSS 3.1 Medium EPSS 0.39% · top 69.2% CWE-377 · CWE-377
5.4CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
16 Sep 2026Last modified by NVD

Description

Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 contain an Insecure Temporary File vulnerability. A low privileged remote attacker could potentially exploit this vulnerability, leading to denial of service and information tampering.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.dell.com/support/kbdoc/en-us/000505684/dsa-2026-360-security-update-for-dell-powerscale-onefs-multiple-vulne Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-22278Dell powerscale onefs improper restriction of authentication attempts vulnerabilityDell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts vulnerability. An unauthentica…EPSS 0.40%9.8CVE-2024-53298Dell powerscale onefs missing authorization vulnerabilityDell PowerScale OneFS, versions 9.5.0.0 through 9.10.0.1, contains a missing authorization vulnerability in the NFS export. An unauthenticated attack…EPSS 0.50%9.8CVE-2025-27690Dell powerscale onefs vulnerabilityDell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.0, contains a use of default password vulnerability. An unauthenticated attacker with remote a…EPSS 0.47%9.8CVE-2023-32493Dell powerscale onefs vulnerabilityDell PowerScale OneFS, 9.5.0.x, contains a protection mechanism bypass vulnerability. An unprivileged, remote attacker could potentially exploit this…EPSS 0.78%9.8CVE-2022-31230Dell powerscale onefs broken cryptographic algorithm vulnerabilityDell PowerScale OneFS, versions 8.2.x-9.2.x, contain broken or risky cryptographic algorithm. A remote unprivileged malicious attacker could potentia…EPSS 0.65%9.1CVE-2024-22463Dell powerscale onefs broken cryptographic algorithm vulnerabilityDell PowerScale OneFS 8.2.x through 9.6.0.x contains a use of a broken or risky cryptographic algorithm vulnerability. A remote unprivileged attacker…EPSS 0.28%8.8CVE-2023-32457Dell powerscale onefs improper privilege management vulnerabilityDell PowerScale OneFS, versions 8.2.2.x-9.5.0.x, contains an improper privilege management vulnerability. A remote attacker with low privileges could…EPSS 0.63%8.8CVE-2021-21553Dell powerscale onefs vulnerabilityDell PowerScale OneFS versions 8.1.0-9.1.0 contain an Incorrect User Management vulnerability.under some specific conditions, this can allow the Comp…EPSS 0.22%

Source: NIST National Vulnerability Database (record CVE-2026-40635), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.