Detections
Analytics
Esri Portal for ArcGIS 11.1 / 11.3 / 11.5 / 12.0 < Security 2026 Update 3 Multiple Vulnerabilities
high Nessus Plugin ID 347955
Synopsis
The remote host is missing one or more security updates.Description
The version of Esri Portal for ArcGIS installed on the remote host is 11.1, 11.3, 11.5, or 12.0 and is missing the Security 2026 Update 3 Patch. It is, therefore, affected by multiple vulnerabilities:- An information disclosure vulnerability exists in Esri Portal for ArcGIS that may under difficult to reproduce circumstances allow a remote, unauthenticated attacker to reflect sensitive information in a http response body.
(CVE-2026-69224)
- An HTML injection vulnerability exists in Esri Portal for ArcGIS that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. (CVE-2026-69229)
- A missing authentication vulnerability exists in Esri Portal for ArcGIS that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users.
(CVE-2026-69228)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Apply the Security 2026 Update 3 patch for Esri Portal for ArcGIS.See Also
Plugin Details
Severity: High
ID: 347955
File Name: esri_portal_for_arcgis_2026_update_3_info_disclosure.nasl
Version: 1.2
Type: Local
Agent: windows
Family: Windows
Published: 9/18/2026
Updated: 9/18/2026
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.66
CVSS v2
Risk Factor: High
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
CVSS Score Source: CVE-2026-69224
CVSS v3
Risk Factor: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Information
CPE: cpe:/a:esri:portal_for_arcgis
Required KB Items: installed_sw/Esri Portal for ArcGIS
Patch Publication Date: 8/4/2026
Vulnerability Publication Date: 8/5/2026