CVE-2026-18886
CriticalCVSS 10.0Summary
ServiceNow has remediated an improper access control vulnerability in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to create or modify instance data beyond what was intended, resulting in privilege escalation. ServiceNow deployed a security update to hosted instances and provided the update to partners and self-hosted customers. No exploitation is currently known.
Risk Assessment
The risk includes privilege escalation and unauthorized data modification, potentially leading to data integrity breaches in the organization.
Recommendation
Promptly apply appropriate updates or upgrade to a patched release if not already done.
Original NVD description (English source)
ServiceNow has remediated an improper access control vulnerability that was identified in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to create or modify instance data beyond what was intended, resulting in privilege escalation. ServiceNow deployed a security update to hosted instances and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of exploitation against ServiceNow instances. We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.