---
id: CVE-2026-69234
title: >-
  There is a reflected cross site scripting vulnerability in Esri Portal for
  ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated
  attacker to create a crafted link which when clicked could potentially execute
  arbitrary …
summary: >-
  There is a reflected cross site scripting vulnerability in Esri Portal for
  ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated
  attacker to create a crafted link which when clicked could potentially execute
  arbitrary …
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: esri
product: portal_for_arcgis
affected:
  - portal_for_arcgis < 11.1
  - portal_for_arcgis = 11.1
  - portal_for_arcgis = 11.2
  - portal_for_arcgis = 11.3
  - portal_for_arcgis = 11.4
  - portal_for_arcgis = 11.5
patched:
  - portal_for_arcgis 11.1
published: '2026-08-21'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T17:02:00.790'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69234'
references:
  - url: >-
      https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin
    label: psirt@esri.com
tags:
  - nvd
epss: 0.00328
epssPercentile: 0.23179
ingestedAt: '2026-09-11T17:50:33.512Z'
---

## Overview

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. Users working with ArcGIS Enterprise 11.1, 11.3, and 11.5 are encouraged to patch. All users are advised to upgrade to the latest long-term support release. Users working with ArcGIS Web App Builder developer edition are advised to migrate to ArcGIS Experience Builder, as ArcGIS Web App Builder developer edition is unsupported when this CVE is assigned.

## Affected

- `portal_for_arcgis < 11.1`
- `portal_for_arcgis = 11.1`
- `portal_for_arcgis = 11.2`
- `portal_for_arcgis = 11.3`
- `portal_for_arcgis = 11.4`
- `portal_for_arcgis = 11.5`

## Remediation

Upgrade past the affected range:

- `portal_for_arcgis 11.1`