VulnerabilityAnalyzed

CVE-2026-2812

ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint.

MEDIUM 5.3EPSS 0.36%

Does this matter?

Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.36% probability · 29th percentile
CISA KEV: Not listed
Weakness: CWE-287
Affected: esri/arcgis server
Source: psirt@esri.com

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletinVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.