Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the service.
The details of the vulnerabilities are below -

CVE-2026-20184 (CVSS score: 9.8) - An improper certificate validation in the integration of single sign-on (SSO)



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/04/cisco-patches-four-critical-identity.html