CVE-2026-69227 PUBLISHED

BUG-000187331 Portal for ArcGIS has a security vulnerability

Assigner: Esri
Reserved: 03.08.2026 Published: 13.10.2026 Updated: 14.10.2026

A flaw in Portal for ArcGIS allows unauthenticated access to

certain Portal Administrator API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Esri
Product	Portal for ArcGIS
Versions	Default: unaffected affected from 11.1 to 12.1 (incl.)

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin

Problem Types

CWE-306: Missing Authentication for Critical Function CWE