CVE-2026-69229
HTML injection vulnerability in Esri Portal for ArcGIS
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | esri |
| Product | portal for arcgis |
| Published | Aug 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Esri / Portal for ArcGIS
11.1 ≤ 12.0