Vulnerability · Published Sep 24, 2026 · Assigned by SN
CVE-2026-86857Authorization Bypass in ServiceNow AI Platform
High 8.4
In plain English
A high-severity missing authorization in ServiceNow AI Platform from ServiceNow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Official description
ServiceNow has remediated an authorization bypass security issue that was identified in the ServiceNow AI Platform. This security issue, if exploited, could enable an authenticated user to access data within the ServiceNow AI Platform that the user otherwise would not be entitled to access, potentially enabling further unintended access. ServiceNow deployed an 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ServiceNow | ServiceNow AI Platform | 0 – before Yokohama Patch 13 Hot Fix 5a0 – before Zurich Patch 10 Hot Fix 3b0 – before Zurich Patch 10 Hot Fix 4a W320 – before Zurich Patch 11 Hot Fix 30 – before Australia Patch 2 Hot Fix 4b W320 – before Australia Patch 4 Hot Fix 30 – before Australia Patch 5 |
Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N