Vulnerability · Published Sep 9, 2026 · Assigned by dell
CVE-2026-40635
Medium 5.4
In plain English
A medium-severity security flaw in PowerScale OneFS from Dell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Dell | PowerScale OneFS | 0 – before 9.13.1.1 or later0 – before 9.15.0.0 or later |
Weakness: CWE-377 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L