Improper Authentication issue in ArcGIS Server_CVE-2026-2812

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Basic Information

ID CVE-2026-2812

Source Esri

Published May 20, 2026 at 17:47

Affected Product

Vendor Esri

Product ArcGIS Server

Version 11.1

Affected Versions Esri ArcGIS Server 11.1

CWE Classification

CWE-287

References

www.esri.com /arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin

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