CVE-2026-18886: Vulnerability in ServiceNow ServiceNow AI Platform
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.
CVE-2026-18886: Vulnerability in ServiceNow ServiceNow AI Platform
Description
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.
CVSS v4.0
Score 10.0critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SN
- Date Reserved
- 2026-08-04T19:02:05.799Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
Threat ID: 6a909ceeacd9273b49b2cd38
Added to database: 08/27/2026, 20:24:14 UTC
Last updated: 08/28/2026, 02:29:58 UTC
Views: 7
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