Cisco Webex Vulnerability Allows User Impersonation Attacks
ID: 550f91cb-d61a-50de-a09d-0c20befaa605
STIX ID: report--550f91cb-d61a-50de-a09d-0c20befaa605
Feed Name: GBHackers
Threat Score
Cisco disclosed a critical vulnerability (CVE-2026-20184, CVSS 9.8) in Webex SSO integrations where improper certificate validation (CWE-295) could let unauthenticated remote attackers impersonate any user and gain access to meetings, communications, and files; Cisco has patched its cloud infrastructure but administrators must upload new SAML certificates in the Control Hub, and there is currently no evidence of exploitation in the wild.
Your team is not currently subscribed to this feed. You must subscribe to it in order to see this post.