CVE-2026-69238

HTML injection vulnerability in Esri Portal for ArcGIS

State: Published
Severity: 3.5 Low
Published: Aug 21, 2026
Updated: Aug 24, 2026
Reserved: Aug 3, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N	Esri

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Portal for ArcGISEsri	11.1 through 11.5Affected

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin

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