What is CVE-2026-10759?

CVE-2026-10759 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under LDAP Injection. CVSS score: 5.5/10. Published 2026-10-13.

How severe is CVE-2026-10759?

Medium severity. CVSS v3 base score is 5.5 out of 10.

LDAP Injection in Esri Portal For Arcgis

CVE-2026-10759

A flaw in Portal for ArcGIS could allow LDAP injection through administrative functionality that constructs Active Directory or LDAP search queries without sufficient input neutralization. An authenticated administrator could supply crafted input that modifies the intended LDAP query and causes unintended directory operations.

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Esri Portal For Arcgis

Weakness classification (CWE)

CWE-90 — LDAP Injection

References

www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-ar…

Frequently asked questions

What is CVE-2026-10759?: CVE-2026-10759 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under LDAP Injection. CVSS score: 5.5/10. Published 2026-10-13.
How severe is CVE-2026-10759?: Medium severity. CVSS v3 base score is 5.5 out of 10.