CVE-2026-69230

Received Received - Intake

Stored XSS in Esri Portal for ArcGIS

Publication date: 2026-08-21

Last updated on: 2026-08-21

Assigner: Environmental Systems Research Institute, Inc.

Description

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 and prior that may allow a remote, administratively privileged attacker to inject malicious code that could potentially execute arbitrary in a 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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-21

Last Modified

2026-08-21

Generated

2026-08-22

AI Q&A

2026-08-22

EPSS Evaluated

N/A

NVD

CVE-2026-69230

EUVD

EUVD-2026-64158

Affected Vendors & Products

Vendor	Product	Version / Range
esri	portal_for_arcgis	to 11.6 (exc)
esri	arcgis_enterprise	to 11.1 (inc)
esri	arcgis_enterprise	to 11.3 (inc)
esri	arcgis_enterprise	to 11.5 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is a stored cross-site scripting (XSS) vulnerability in Esri Portal for ArcGIS versions 11.5 and earlier. It allows a remote attacker with administrative privileges to inject malicious code into the application. This code could then execute arbitrary actions in a victim's browser when they access the affected page.

Detection Guidance

Detecting this vulnerability requires checking the version of Esri Portal for ArcGIS. If your system is running version 11.5 or earlier, it is vulnerable. Use commands like 'curl -s http://[server]/arcgis/portal' or check the version in the ArcGIS Enterprise admin interface.

Impact Analysis

An attacker could exploit this to steal session cookies, perform actions on your behalf, or redirect you to malicious sites. Users of ArcGIS Enterprise versions 11.1, 11.3, and 11.5 are specifically at risk and should apply patches immediately.

Compliance Impact

This vulnerability could potentially allow an attacker to inject malicious code into a victim's browser, which may lead to unauthorized access to sensitive data. This could impact compliance with GDPR by risking data breaches and HIPAA by exposing protected health information if exploited.

Mitigation Strategies

Immediately upgrade to the latest long-term support release of ArcGIS Enterprise. If using versions 11.1, 11.3, or 11.5, apply the latest patches provided by Esri. Ensure administrative privileges are restricted to trusted users only.

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