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Vulnerability · Published Sep 24, 2026 · Assigned by SN

CVE-2026-86860Unauthenticated Sensitive Data Disclosure in ServiceNow AI Platform

Critical 9.3

In plain English

A critical-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 24% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.3%top 76.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
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:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N

References