CVE-2026-69229 — HTML injection vulnerability in Esri Portal for ArcGIS

CVE-2026-69229

HTML injection vulnerability in Esri Portal for ArcGIS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Esri / Portal for ArcGIS	affected 11.1 through 12.0

CWE

CWE-79

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.