# CVE-2026-91890: Dell Ansible Storage for Unity improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-91890-dell-ansible-storage-for-unity-versions-prior-to-1-2-13-contains  
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-2026-91890 · Severity: high · CVSS 8.7 · Published 2026-11-11

Dell Ansible Storage for Unity is a management tool for Dell Unity storage arrays. A certificate validation flaw allows unauthenticated remote attackers to intercept and modify communications with the storage system, potentially exposing sensitive data and gaining unauthorized access to the storage infrastructure.

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

## Quick answers

**Is CVE-2026-91890 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91890 being exploited in the wild.

**How severe is CVE-2026-91890?** High severity, with a CVSS score of 8.7, published 11 November 2026.

**Which products and versions are affected?** Dell Ansible Storage for Unity prior to 1.2.13.

**Is there a fix for CVE-2026-91890?** Yes: fixed in Version 1.2.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-91890 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91890?** Check whether you run Dell Ansible Storage for Unity 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 1.2.13 or later

## Technical details

An improper certificate validation vulnerability in the UnityRESTConnector component allows an unauthenticated attacker with network access to perform man-in-the-middle attacks. The vulnerability enables information disclosure and unauthorized access without requiring authentication or user interaction, though attack complexity is rated as high.

## Affected products

- Dell Ansible Storage for Unity prior to 1.2.13

## 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)