CVE-2026-40635: CWE-377: Insecure Temporary File in Dell PowerScale OneFS
Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 have an insecure temporary file vulnerability (CWE-377) that could be exploited by a low privileged remote attacker to cause denial of service and information tampering. The vulnerability has a medium severity with a CVSS score of 5.4. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
CVE-2026-40635 describes an insecure temporary file vulnerability in Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0. This vulnerability allows a low privileged remote attacker to potentially exploit insecure handling of temporary files, leading to denial of service conditions and unauthorized modification of information. The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality impact, but integrity and availability impacts. No vendor advisory or patch information is currently provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability could allow a low privileged remote attacker to cause denial of service and tamper with information on affected Dell PowerScale OneFS systems. There is no reported confidentiality impact. The medium CVSS score reflects the potential for disruption and integrity compromise but not data disclosure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Dell at this time.
CVE-2026-40635: CWE-377: Insecure Temporary File in Dell PowerScale OneFS
Description
Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 have an insecure temporary file vulnerability (CWE-377) that could be exploited by a low privileged remote attacker to cause denial of service and information tampering. The vulnerability has a medium severity with a CVSS score of 5.4. No official patch or remediation guidance is currently available from the vendor.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40635 describes an insecure temporary file vulnerability in Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0. This vulnerability allows a low privileged remote attacker to potentially exploit insecure handling of temporary files, leading to denial of service conditions and unauthorized modification of information. The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality impact, but integrity and availability impacts. No vendor advisory or patch information is currently provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability could allow a low privileged remote attacker to cause denial of service and tamper with information on affected Dell PowerScale OneFS systems. There is no reported confidentiality impact. The medium CVSS score reflects the potential for disruption and integrity compromise but not data disclosure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Dell at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- dell
- Date Reserved
- 2026-04-14T16:10:47.675Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa18b79acd9273b4996dcdb
Added to database: 09/09/2026, 16:38:17 UTC
Last enriched: 09/09/2026, 16:52:53 UTC
Last updated: 09/09/2026, 17:01:00 UTC
Views: 4
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