CVE-2026-2813: Unvalidated Redirect in ArcGIS Server

Published May 20, 2026
·
Updated

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 Software

4 affected components
Esri ArcGIS Server=11.5
All of the following
Esri ArcGIS Server=11.5
Any of the following
Linux Linux kernel
Microsoft Windows

Event History

May 20, 2026
CVE Published
via MITRE·05:51 PM
Data Sourced
via MITRE·05:51 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-2813?

The severity of CVE-2026-2813 is categorized as a moderate security vulnerability.

2

How do I fix CVE-2026-2813?

To fix CVE-2026-2813, ensure you are running the latest patched version of Esri ArcGIS Server, specifically 11.5 or later.

3

Who is affected by CVE-2026-2813?

CVE-2026-2813 affects users of Esri ArcGIS Server version 11.5.

4

What type of attack can exploit CVE-2026-2813?

CVE-2026-2813 can be exploited by an authenticated attacker through unvalidated redirect requests.

5

What are the potential consequences of CVE-2026-2813 exploitation?

Successful exploitation of CVE-2026-2813 may result in an attacker redirecting a user's browser to a malicious site.

Contact

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