CVE-2026-2813 Details
Description
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.
A URL redirection vulnerability has been identified in ArcGIS Server 11.5, where an authenticated attacker can exploit an input validation weakness in the login redirection process. This exploitation could lead to the application redirecting the user's browser to an unintended and untrusted site. While this may result in a limited confidentiality impact under specific user interaction conditions, the vulnerability is confined to client-side navigation logic during authentication, without any server-side compromise or cross-component impact.
Users can apply the ArcGIS Server Security 2026 Update 1 Patch, which is available through the Esri Patches and Updates page. This patch should be installed as soon as possible, as it addresses this vulnerability and others in the same version range.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-601 | URL Redirection to Untrusted Site ('Open Redirect') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| esri arcgis server | 11.5 |
CPE
Remediation
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| linux linux kernel | All versions |
CPE
Remediation
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| microsoft windows | All versions |
CPE
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 21, 2026 | Initial Analysis | [email protected] |
| May 20, 2026 | New CVE Received | [email protected] |