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.
Published: 2026-08-27
Score: 10 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Fri, 28 Aug 2026 06:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-862

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
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.
Title Unauthenticated Privilege Escalation via System Configuration Image Upload Processor
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: SN

Published:

Updated: 2026-08-27T19:00:01.715Z

Reserved: 2026-08-04T19:02:05.799Z

Link: CVE-2026-18886

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-27T20:17:04.020

Modified: 2026-08-27T20:17:04.020

Link: CVE-2026-18886

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T05:45:04Z

Weaknesses