CVE-2026-69229
Medium
Description
There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5 and 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.
SeverityMedium
CVSS5.4
Exploit probability—
ProductEsri Portal For Arcgis
PublishedAug 21, 2026
First seenAug 21, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- esri portal_for_arcgis11.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| esri portal_for_arcgis | v < 11.1, 11.1, 11.2, 11.3, 11.4, 11.5, 12.0 | 11.1 |
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