CVE-2026-69234

reflected cross site scripting vulnerability in Esri Portal for ArcGIS

Published Aug 21, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. 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. Users working with ArcGIS Web App Builder developer edition are advised to migrate to ArcGIS Experience Builder, as ArcGIS Web App Builder developer edition is unsupported when this CVE is assigned.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2024_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2024_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2025_update3:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.1:security_2026_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.2:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2025_update3:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.3:security_2026_update2:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.4:*:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:-:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:security_2026_update1:*:*:*:*:*:*
cpe:2.3:a:esri:portal_for_arcgis:11.5:security_2026_update2:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Esri
Esri portal For Arcgis
Vendors & Products Esri
Esri portal For Arcgis
Type Values Removed Values Added
Description There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. 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. Users working with ArcGIS Web App Builder developer edition are advised to migrate to ArcGIS Experience Builder, as ArcGIS Web App Builder developer edition is unsupported when this CVE is assigned.
Title reflected cross site scripting vulnerability in Esri Portal for ArcGIS
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Esri
Published
Updated
Aug 24, 2026, 1:01 PM
Reserved
Aug 3, 2026, 7:22 PM
Status
Analyzed
Published
Aug 21, 2026, 9:17 PM
Modified
Oct 12, 2026, 4:10 PM