CVE-2026-91880: Dell Terraform Provider for PowerFlex improper certificate validation in SSH client

CVE-2026-91880 · Severity: high · CVSS 8.9 · Published 2026-11-11

The Dell Terraform Provider for PowerFlex is a tool used to manage PowerFlex storage infrastructure through infrastructure-as-code. Versions 1.5.0 through 1.8.0 disable SSH host key verification by default, allowing an attacker with network access to intercept connections and gain unauthorized access to storage systems or steal sensitive data.

Vendors: Dell.

Quick answers

Is CVE-2026-91880 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91880 being exploited in the wild.
How severe is CVE-2026-91880?
High severity, with a CVSS score of 8.9, published 11 November 2026.
Which products and versions are affected?
Dell Terraform Provider for PowerFlex 1.5.0 through 1.8.0.
Is there a fix for CVE-2026-91880?
Yes: fixed in 1.9.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-91880 attacked?
It is attacked over the network.
Am I affected by CVE-2026-91880?
Check whether you run Dell Terraform Provider for PowerFlex 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.

How to fix

  • Fixed in: 1.9.0

Technical details

The vulnerability stems from use of ssh.InsecureIgnoreHostKey() as the default SSH host key callback, eliminating man-in-the-middle protection. An unauthenticated remote attacker can exploit this over the network with low complexity to gain confidentiality and integrity compromise across multiple systems. A fix is available in version 1.9.0 or later.

Affected products

  • Dell Terraform Provider for PowerFlex 1.5.0 through 1.8.0

Timeline

  • 2026-11-11: disclosed

References

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