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9.3

ServiceNow AI Platform may leak data to unauthenticated users

CVE-2026-86860 · published 18 days ago
Summary

The ServiceNow AI Platform could allow anyone on the internet to retrieve data from your instance that should be restricted, potentially giving them higher access than intended. This could let attackers see or modify information they shouldn't. Apply the latest security update or upgrade to the patched version as soon as possible.

What to do
  • Update servicenow servicenow ai platform to version Yokohama Patch 13 Hot Fix 5a or later.
Affected software
VendorProductAffected versions
servicenow servicenow ai platform < Yokohama Patch 13 Hot Fix 5a
Original advisory text
Unauthenticated Sensitive Data Disclosure in ServiceNow AI Platform
ServiceNow has remediated a missing authorization vulnerability that was identified in the ServiceNow AI Platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to extract 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 malicious exploitation against ServiceNow instances. We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.3 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-862Missing Authorization
Timeline
Published24 Sep 2026
Updated12 Oct 2026
First seen24 Sep 2026
Sources
CVE-2026-86860 · NVD
CVE-2026-86860 · MITRE
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