A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.

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Fixes

Solution

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Workaround

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History

Tue, 13 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Esri
Esri portal For Arcgis
Vendors & Products Esri
Esri portal For Arcgis

Tue, 13 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.
Title Portal for ArcGIS has a security vulnerability
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Esri

Published:

Updated: 2026-10-13T19:31:31.076Z

Reserved: 2026-08-03T19:22:01.731Z

Link: CVE-2026-69226

cve-icon Vulnrichment

Updated: 2026-10-13T19:21:39.213Z

cve-icon NVD

Status : Received

Published: 2026-10-13T17:17:45.010

Modified: 2026-10-13T20:17:32.527

Link: CVE-2026-69226

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T18:45:15Z

Weaknesses