CVE-2026-40635 Other in PowerScale OneFS
A low-privileged remote attacker can exploit an insecure temporary file vulnerability in Dell PowerScale OneFS to cause denial of service and tamper with information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40635?
CVE-2026-40635 is a medium-severity vulnerability in Dell Powerscale Onefs, published on 9 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-377
Which versions are affected by CVE-2026-40635?
It affects 1 product.
Products include Dell Powerscale Onefs.
How do I fix CVE-2026-40635?
No fix has been published for CVE-2026-40635 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40635 being exploited?
There is no known exploitation of CVE-2026-40635 in the wild and no public exploit code.
Other vulnerabilities in Dell Powerscale Onefs
Sources
Also known as GHSA-mw53-2gx3-5w75.