---
id: CVE-2026-69238
title: >-
  There is an HTML injection vulnerability in Esri Portal for ArcGIS versions
  11.5 and prior that allows a remote, highly priviliged attacker to insert
  arbitrary HTML into the Portal for ArcGIS Home application
summary: >-
  There is an HTML injection vulnerability in Esri Portal for ArcGIS versions
  11.5 and prior that allows a remote, highly priviliged attacker to insert
  arbitrary HTML into the Portal for ArcGIS Home application. Users working with
  ArcGIS E…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/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: '2026-09-11T20:17:12.827'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69238'
references:
  - url: >-
      https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin
    label: psirt@esri.com
tags:
  - nvd
epss: 0.00242
epssPercentile: 0.13651
ingestedAt: '2026-09-12T00:03:49.031Z'
---

## Overview

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.5 and prior that allows a remote, highly priviliged attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. 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.

## 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`