4.7
MEDIUM CVSS 3.1
CVE-2026-2813
Unvalidated Redirect in ArcGIS Server
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.

INFO

Published Date :

May 20, 2026, 5:51 p.m.

Last Modified :

May 20, 2026, 5:51 p.m.

Remotely Exploit :

Yes !

Source :

Esri
Affected Products

The following products are affected by CVE-2026-2813 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM cedc17bb-4939-4f40-a1f4-30ae8af1094e
Solution
Address login redirection input validation to prevent redirection to unintended sites.
  • Update ArcGIS Server to the latest version.
  • Apply vendor-supplied security patches.
  • Review and validate all redirection URLs.
  • Implement strict input validation on redirection parameters.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-2813 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.