CVE-2026-86860

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Missing Authorization in ServiceNow AI Platform Leads to Privilege Escalation

Publication date: 2026-09-24

Last updated on: 2026-09-25

Assigner: ServiceNow

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.

CVSS Scores

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Meta Information

Published

2026-09-24

Last Modified

2026-09-25

Generated

2026-10-15

AI Q&A

2026-09-24

EPSS Evaluated

2026-10-13

NVD

CVE-2026-86860

EUVD

EUVD-2026-86403

Affected Vendors & Products

Vendor	Product	Version / Range
servicenow	ai_platform	to 2026-09-30 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authorization issue in ServiceNow's AI Platform. It allows an unauthenticated user, under certain conditions, to access more instance data than intended, which could lead to privilege escalation.

Detection Guidance

Detection requires checking if your ServiceNow AI Platform is updated to the patched release. Verify the version of your ServiceNow instance against the security advisory from ServiceNow.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data or elevate their privileges within a ServiceNow instance, potentially leading to data breaches or unauthorized actions.

Compliance Impact

The vulnerability could allow unauthorized access to sensitive instance data, potentially violating data protection requirements under GDPR and HIPAA. Unauthorized data exposure may lead to non-compliance with these regulations, depending on the data involved.

Mitigation Strategies

Apply the security update provided by ServiceNow to hosted instances or upgrade to a patched release if using self-hosted versions. Promptly update all affected systems to prevent unauthorized data access.

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