CVE-2026-2812

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.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*
OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 May 2026, 18:56

Type Values Removed Values Added
References () https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin - () https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin - Vendor Advisory
CPE cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
First Time Microsoft
Esri arcgis Server
Linux linux Kernel
Esri
Microsoft windows
Linux

20 May 2026, 20:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-20 20:16

Updated : 2026-05-21 18:56


NVD link : CVE-2026-2812

Mitre link : CVE-2026-2812

CVE.ORG link : CVE-2026-2812


JSON object : View

Products Affected

esri

  • arcgis_server

microsoft

  • windows

linux

  • linux_kernel
CWE
CWE-287

Improper Authentication