cisco-sa-webex-cui-cert-8jSZYhWL: Cisco Webex Services Certificate Validation Vulnerability

Published Apr 15, 2026
·
Updated

A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service.This vulnerability existed because of improper certificate validation. Prior to this

Affected Software

1 affected component
Cisco Webex Services

Event History

Apr 15, 2026
Advisory Published
via Cisco·04:00 PM
Data Sourced
via Cisco·04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of Cisco-SA-Webex-CUI-Cert-8jSZYhWL?

The severity of Cisco-SA-Webex-CUI-Cert-8jSZYhWL is high due to the potential for remote user impersonation.

2

How do I fix Cisco-SA-Webex-CUI-Cert-8jSZYhWL?

To fix Cisco-SA-Webex-CUI-Cert-8jSZYhWL, ensure that you apply the latest updates and patches provided by Cisco.

3

What systems are affected by Cisco-SA-Webex-CUI-Cert-8jSZYhWL?

Cisco-Webex Services is the primary affected system by Cisco-SA-Webex-CUI-Cert-8jSZYhWL.

4

Who can exploit the Cisco-SA-Webex-CUI-Cert-8jSZYhWL vulnerability?

An unauthenticated, remote attacker can exploit the Cisco-SA-Webex-CUI-Cert-8jSZYhWL vulnerability.

5

What can happen if Cisco-SA-Webex-CUI-Cert-8jSZYhWL is exploited?

If exploited, Cisco-SA-Webex-CUI-Cert-8jSZYhWL could allow an attacker to impersonate any user within Cisco Webex Services.

Contact

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