5.3

CVE-2026-2812

Improper Authentication issue in ArcGIS Server

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
EsriArcGIS Server Version >= 11.1 <= 12.0
   LinuxLinux Kernel Version-
   MicrosoftWindows Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.36% 0.276
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@esri.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin
Vendor Advisory