What is CVE-2026-2813?

CVE-2026-2813 is a medium-severity vulnerability in Esri Arcgis Server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-05-20.

How severe is CVE-2026-2813?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Open Redirect in Esri Arcgis Server

CVE-2026-2813

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 redirec…

Vulnerability class: Open Redirect

EPSS: 0.000 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Esri Arcgis Server — versions 11.5
Esri Arcgis_server — versions 11.5
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

psirt@esri.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-2813?: CVE-2026-2813 is a medium-severity vulnerability in Esri Arcgis Server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-05-20.
How severe is CVE-2026-2813?: Medium severity. CVSS v3 base score is 4.7 out of 10.