Cisco Webex warning, Splunk’s Enterprise fix, Git spoof tricks Claude

Cisco has “released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company’s cloud-based Webex Services platform. This also requires further customer action. The CVE-numbered vulnerability (CVE-2026-20184), was “found in the single sign-on (SSO) integration with Control Hub.” A successful exploit could have allowed unauthorized access to legitimate Cisco Webex services, the company said. Customers need to help with the fix, though. Specifically, they must upload a new SAML certificate…