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.

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Fixes

Solution

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Workaround

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History

Sat, 22 Aug 2026 01:00:00 +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 21:00:00 +0000

Type Values Removed Values Added
Description 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.
Title HTML injection vulnerability in Esri Portal for ArcGIS
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Esri

Published:

Updated: 2026-08-21T20:46:03.539Z

Reserved: 2026-08-03T19:22:05.877Z

Link: CVE-2026-69238

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-21T21:17:04.617

Modified: 2026-08-21T21:17:04.617

Link: CVE-2026-69238

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-22T00:45:05Z

Weaknesses