Skip to main content

PowerScale OneFS CVE-2026-40635

| EUVDEUVD-2026-75103 MEDIUM
Insecure Temporary File (CWE-377)
2026-09-09 dell GHSA-mw53-2gx3-5w75
Denial Of Service Dell Powerscale Onefs
5.4
CVSS 3.1 · Vendor: dell
Share

Severity by source

Vendor (dell) PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
vuln.today AI
5.4 MEDIUM

Network-reachable with low credentials required; no confidentiality loss confirmed; integrity and availability partially impacted per description.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Sep 09, 2026 - 17:23 vuln.today
Patch available
Sep 09, 2026 - 17:04 EUVD

DescriptionCVE.org

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.

AnalysisAI

Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 expose a CWE-377 insecure temporary file flaw that a low-privileged remote attacker can exploit to cause denial of service and tamper with data. The vulnerability stems from unsafe temporary file handling - likely predictable naming or insecure permissions - enabling race-condition or symlink attacks against the storage platform. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts
Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden
Sign in to reveal

Vulnerability AssessmentAI

Exploitation Exploitation requires a low-privileged authenticated account on the Dell PowerScale OneFS cluster - PR:L in the CVSS confirms this. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 5.4 (Medium) reflects a constrained threat: AV:N means the attacker reaches the vulnerability over the network, but PR:L requires existing low-privileged credentials, limiting the attack surface to authenticated users or compromised accounts. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Dell PowerScale OneFS to version 9.13.1.1 or later (9.13.x branch) or to version 9.15.0.0 or later (newer branch) per Dell advisory DSA-2026-360 at https://www.dell.com/support/kbdoc/en-us/000505684/dsa-2026-360-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities. … Detailed patch versions, workarounds, and compensating controls in full report.
Sign in to read full assessment

Threat intelligence, references, and detailed analysis are available after sign-in.

More in Powerscale Onefs

View all
CVE-2025-27690 CRITICAL
9.8 Apr 10

Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.0, contains a use of default password vulnerability. Rated critic
CVE-2024-53298 CRITICAL
9.8 Jun 20

CVE-2024-53298 is a critical missing authorization vulnerability in Dell PowerScale OneFS NFS export functionality that

CVE-2023-32493 CRITICAL
9.8 Aug 16

Dell PowerScale OneFS, 9.5.0.x, contains a protection mechanism bypass vulnerability. Rated critical severity (CVSS 9.8)
CVE-2022-31230 CRITICAL
9.8 Jun 28

Dell PowerScale OneFS, versions 8.2.x-9.2.x, contain broken or risky cryptographic algorithm. Rated critical severity (C
CVE-2024-22463 CRITICAL
9.1 Mar 04

Dell PowerScale OneFS 8.2.x through 9.6.0.x contains a use of a broken or risky cryptographic algorithm vulnerability. R
CVE-2023-32457 HIGH
8.8 Aug 29

Dell PowerScale OneFS, versions 8.2.2.x-9.5.0.x, contains an improper privilege management vulnerability. Rated high sev
CVE-2021-21553 HIGH
8.8 Aug 03

Dell PowerScale OneFS versions 8.1.0-9.1.0 contain an Incorrect User Management vulnerability.under some specific condit
CVE-2026-22278 HIGH
8.1 Jan 22

Powerscale Onefs versions up to 9.13.0.0 is affected by improper restriction of excessive authentication attempts (CVSS

CVE-2024-29170 HIGH
8.1 Jun 04

Dell PowerScale OneFS versions 8.2.x through 9.8.0.x contain a use of hard coded credentials vulnerability. Rated high s
CVE-2023-44295 HIGH
8.1 Dec 05

Dell PowerScale OneFS versions 8.2.2.x through 9.6.0.x contains an improper control of a resource through its lifetime v
CVE-2026-27102 HIGH
7.8 Apr 08

Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.6 and 9.11.0.0 through 9.13.0.1 contain an incorrect privilege ass
CVE-2024-32853 HIGH
7.8 Jul 02

Dell PowerScale OneFS versions 8.2.2.x through 9.7.0.2 contain an execution with unnecessary privileges vulnerability. R

Same weakness CWE-377 – Insecure Temporary File

View all
CVE-2022-21809 HIGH POC
8.1
CVE-2022-0736 HIGH POC
7.5
CVE-2022-3952 HIGH POC
7.1
CVE-2015-5224 CRITICAL
9.8
CVE-2022-26386 MEDIUM POC
6.5
CVE-2022-21945 MEDIUM POC
6.1
CVE-2022-3969 MEDIUM POC
5.5
CVE-2021-29429 MEDIUM POC
5.5

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

Share

CVE-2026-40635 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy