---
id: CVE-2026-69227
title: >-
  A flaw in Portal for ArcGIS allows unauthenticated access to certain
  /portaladmin/local API endpoints under specific conditions
summary: >-
  A flaw in Portal for ArcGIS allows unauthenticated access to certain
  /portaladmin/local API endpoints under specific conditions. This could enable
  an attacker to access administrative functionality that should require
  authentication.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-306
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T20:17:32.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69227'
references:
  - url: >-
      https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin
    label: psirt@esri.com
tags:
  - nvd
ingestedAt: '2026-10-13T17:38:53.198Z'
---

## Overview

A flaw in Portal for ArcGIS allows unauthenticated access to certain /portaladmin/local API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.