# CVE-2026-20090: A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with…

Source: https://junglewise.ai/threats/cve-2026-20090-a-vulnerability-in-the-web-based-management-interface-of-cisco  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-01  
License: CC BY 4.0 with a link back

CVE-2026-20090 · Severity: medium · CVSS 4.8 · Published 2026-04-01

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored XSS attack against a user of the interface.

This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information.

Technologies: [Cisco Enterprise Nfv Infrastructure Software](https://junglewise.ai/threats/technologies/enterprise-nfv-infrastructure-software), [Cisco Unified Computing System](https://junglewise.ai/threats/technologies/unified-computing-system), [Cisco Unified Computing System E-Series Software](https://junglewise.ai/threats/technologies/unified-computing-system-e-series-software). Vendors: [Cisco](https://junglewise.ai/threats/vendors/cisco).

## Quick answers

**Is CVE-2026-20090 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-20090 being exploited in the wild.

**How severe is CVE-2026-20090?** Medium severity, with a CVSS score of 4.8, published 1 April 2026.

**Which products and versions are affected?** Cisco Enterprise Nfv Infrastructure Software, Cisco Unified Computing System, Cisco Unified Computing System E-Series Software. The advisory does not name versions.

**Is there a fix for CVE-2026-20090?** 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.

**Am I affected by CVE-2026-20090?** Check whether you run Cisco Enterprise Nfv Infrastructure Software, Cisco Unified Computing System or Cisco Unified Computing System E-Series Software. 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.

## Affected products

- Cisco Enterprise Nfv Infrastructure Software
- Cisco Unified Computing System
- Cisco Unified Computing System E-Series Software

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