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.

Project Subscriptions

Vendors Products
Portal For Arcgis Subscribe
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 21 Aug 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Esri
Esri portal For Arcgis
Vendors & Products Esri
Esri portal For Arcgis

Fri, 21 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
Description 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.
Title reflected cross site scripting vulnerability in Esri Portal for ArcGIS
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Esri

Published:

Updated: 2026-08-21T20:54:00.726Z

Reserved: 2026-08-03T19:22:05.876Z

Link: CVE-2026-69234

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-21T21:17:04.140

Modified: 2026-08-21T21:17:04.140

Link: CVE-2026-69234

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T22:45:04Z

Weaknesses