CVE-2026-2813 — Unvalidated Redirect in ArcGIS Server

Description (CNA)

ArcGIS Server contains an input validation weakness in the login redirection workflow. An Authenticated attacker could exploit this issue by sending a specially crafted request, Successful exploitation may result in the application redirecting the browser to an unintended, untrusted site, resulting in a limited confidentiality impact under specific user interaction conditions. The vulnerability affects only the client side navigation logic during authentication and remains confined to the same security boundary. No server side compromise or cross component impact is possible. This issue affects ArcGIS Server 11.5.

Affected (CNA)

Vendor / product	Versions
Esri / ArcGIS Server	affected 11.5

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.