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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Esri | Portal for ArcGIS | ≤ 12.2 | — |
Advisories 1
- WID-SEC-2026-3601 ESRI ArcGIS: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 13, 2026