Description
ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Esri | ArcGIS Server | 11.1 – ≤ 12.0 | — |
Advisories 1
- WID-SEC-2026-1627 ESRI ArcGIS: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 20, 2026