# CVE-2026-91870: Dell Ansible Storage for PowerFlex improper certificate validation in API client

Source: https://junglewise.ai/threats/cve-2026-91870-dell-ansible-storage-for-powerflex-versions-prior-to-3-2-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-11. Updated: 2026-11-11  
License: CC BY 4.0 with a link back

CVE-2026-91870 · Severity: high · CVSS 7.4 · Published 2026-11-11

Dell Ansible Storage for PowerFlex is an Ansible plugin that manages Dell PowerFlex storage systems. The API client fails to properly validate server certificates, allowing a remote attacker without authentication to intercept or manipulate communications, potentially exposing sensitive storage configuration data and credentials.

Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-91870 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91870 being exploited in the wild.

**How severe is CVE-2026-91870?** High severity, with a CVSS score of 7.4, published 11 November 2026.

**Which products and versions are affected?** Dell Ansible Storage for PowerFlex prior to 3.2.0.

**Is there a fix for CVE-2026-91870?** Yes: fixed in Version 3.2.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-91870 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91870?** Check whether you run Dell Ansible Storage 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 Version 3.2.0 or later

## Technical details

An improper certificate validation vulnerability in the API client component allows an unauthenticated remote attacker to bypass TLS security checks. The attack requires network access and completion of a complex condition (AC:H), but succeeds without authentication or user interaction, enabling confidentiality and integrity compromise of storage API communications.

## Affected products

- Dell Ansible Storage for PowerFlex prior to 3.2.0

## Timeline

- 2026-11-11: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-au/000515361/dsa-2026-431-security-update-for-dell-ansible-storage-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-au/000515361/dsa-2026-431-security-update-for-dell-ansible-storage-multiple-vulnerabilities)