# CVE-2026-91905: Dell OpenManage Enterprise improper cryptographic signature verification

Source: https://junglewise.ai/threats/cve-2026-91905-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-02. Updated: 2026-11-02  
License: CC BY 4.0 with a link back

CVE-2026-91905 · Severity: medium · CVSS 6.4 · Published 2026-11-02

Dell OpenManage Enterprise is server management software used to monitor and manage IT infrastructure. CVE-2026-91905 allows a high-privileged attacker with local access to bypass cryptographic signature verification, potentially gaining unauthorized filesystem access and control over the managed environment.

Technologies: [Dell OpenManage Enterprise](https://junglewise.ai/threats/technologies/openmanage-enterprise). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-91905 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91905 being exploited in the wild.

**How severe is CVE-2026-91905?** Medium severity, with a CVSS score of 6.4, published 2 November 2026.

**Which products and versions are affected?** Dell OpenManage Enterprise prior to 4.8.0.

**Is there a fix for CVE-2026-91905?** Yes: fixed in 4.8.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-91905 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-91905?** Check whether you run Dell OpenManage Enterprise 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 4.8.0

## Technical details

This vulnerability involves improper verification of cryptographic signatures in Dell OpenManage Enterprise prior to version 4.8.0. A high-privileged local attacker can exploit this to bypass signature checks and gain filesystem access. The vulnerability requires local access and elevated privileges to exploit.

## Affected products

- Dell OpenManage Enterprise prior to 4.8.0

## Timeline

- 2026-11-02: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000523220/dsa-2026-467-security-update-for-dell-openmanage-enterprise-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9](https://www.dell.com/support/kbdoc/en-us/000523220/dsa-2026-467-security-update-for-dell-openmanage-enterprise-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9)

## Related threats

- [Dell OpenManage Enterprise OS command injection](https://junglewise.ai/threats/cve-2026-94349-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an)
- [Dell OpenManage Enterprise path traversal in file access](https://junglewise.ai/threats/cve-2026-91911-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an)
- [Dell OpenManage Enterprise path traversal in versions prior to 4.8.0](https://junglewise.ai/threats/cve-2026-91910-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an)
- [Dell OpenManage Enterprise argument injection](https://junglewise.ai/threats/cve-2026-91909-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an)
- [Dell OpenManage Enterprise improper cryptographic signature verification](https://junglewise.ai/threats/cve-2026-91908-dell-openmanage-enterprise-versions-prior-to-4-8-0-contains-an)