ServiceNow Patches Critical AI Platform Flaw Allowing Unauthenticated User Impersonation

The Hacker News

January 13, 2026 at 11:47 AM

CVE Exploit Vulnerability Patch Critical

Overview

ServiceNow has reported a serious security vulnerability in its AI Platform that could allow an unauthenticated user to impersonate another user and take actions on their behalf. This flaw, identified as CVE-2025-12420, has a high severity rating of 9.3 out of 10, indicating a significant risk to users. The potential for impersonation means that attackers could exploit this weakness to gain unauthorized access to sensitive information or perform harmful actions. Organizations using ServiceNow's AI Platform should prioritize applying the patch to mitigate this risk and protect their users. The quick response from ServiceNow in addressing this vulnerability is crucial to maintaining trust in their services.

Key Takeaways

Affected Systems: ServiceNow AI Platform
Action Required: ServiceNow has released a patch to address this vulnerability.
Timeline: Newly disclosed

Original Article Summary

ServiceNow has disclosed details of a now-patched critical security flaw impacting its ServiceNow AI Platform that could enable an unauthenticated user to impersonate another user and perform arbitrary actions as that user. The vulnerability, tracked as CVE-2025-12420, carries a CVSS score of 9.3 out of 10.0 "This issue [...] could enable an unauthenticated user to impersonate another user and

Impact

ServiceNow AI Platform

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

ServiceNow has released a patch to address this vulnerability. Users are advised to apply the update as soon as possible to prevent any potential exploitation.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Exploit, Vulnerability, and 2 more.

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