CVE-2026-86860

Unauthenticated Sensitive Data Disclosure in ServiceNow AI Platform

State: Published
Severity: 9.3 Critical
Published: Sep 24, 2026
Updated: Sep 25, 2026
Reserved: Sep 8, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	SN

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
ServiceNow AI PlatformServiceNow	before Yokohama Patch 13 Hot Fix 5aAffected before Zurich Patch 10 Hot Fix 3bAffected before Zurich Patch 10 Hot Fix 4a W32Affected before Zurich Patch 11 Hot Fix 3Affected before Australia Patch 2 Hot Fix 4b W32Affected before Australia Patch 4 Hot Fix 3Affected before Australia Patch 5Affected

References

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3159623

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