CVE-2026-69238
Low
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.
SeverityLow
CVSS3.5
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 | 11.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.