CVE-2026-40641: Dell PowerFlex Manager weak cryptographic algorithm vulnerability

CVE-2026-40641 · Severity: medium · CVSS 4.8 · Published 2026-06-17

Dell PowerFlex Manager, a tool used to manage and automate software-defined storage environments, contains a security weakness in its encryption methods. An unauthenticated attacker with network access could exploit this to view or modify sensitive information. This could lead to unauthorized data access or tampering with management configurations.

Technologies: Dell PowerFlex Manager. Vendors: Dell.

Quick answers

Is CVE-2026-40641 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40641 being exploited in the wild.
How severe is CVE-2026-40641?
Medium severity, with a CVSS score of 4.8, published 17 June 2026.
Which products and versions are affected?
Dell PowerFlex Manager 4.6.0.1, 4.5.x prior to 4.5.5.2, 5.0.x prior to 5.1.0.1.
Is there a fix for CVE-2026-40641?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-40641 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-40641?
Check whether you run Dell PowerFlex Manager at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

Dell PowerFlex Manager (specifically version 4.6.0.1 and other versions prior to 4.5.5.2 and 5.1.0.1) is vulnerable to CWE-327: Use of a Broken or Risky Cryptographic Algorithm. The flaw allows an unauthenticated remote attacker to exploit weak encryption to perform information disclosure and information tampering. The attack complexity is rated as high, suggesting that successful exploitation may depend on specific environmental conditions or intercepting traffic. Remediation is available in versions 4.5.5.2, 5.1.0.1, and later.

Affected products

  • Dell PowerFlex Manager 4.6.0.1, 4.5.x prior to 4.5.5.2, 5.0.x prior to 5.1.0.1

Timeline

  • 2026-06-17: disclosed
  • 2026-06-17: advisory

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.