Cxtoday Critical AI Security Flaw in ServiceNow Leads to User Impersonation Risk
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AppOmni identified a critical security vulnerability in ServiceNow's AI platform that could allow unauthenticated users to impersonate legitimate users and perform unauthorized actions. The flaw, designated CVE-2025-12420, was discovered in October 2025 and had a severity score of 9.3 out of 10. ServiceNow implemented fixes for most hosted instances on October 30, 2025, and provided patches to partners and self-hosted customers.
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