CVE-2026-10759 BUG-000171040 Portal for ArcGIS has a security vulnerability

Medium 5.5 Published Updated

An authenticated administrator can perform LDAP injection in Portal for ArcGIS to manipulate directory queries and execute unintended operations.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-10759?

CVE-2026-10759 is a medium-severity vulnerability in Esri Portal for ArcGIS, published on 13 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-90

Which versions are affected by CVE-2026-10759?

How do I fix CVE-2026-10759?

No fix has been published for CVE-2026-10759 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-10759 being exploited?

There is no known exploitation of CVE-2026-10759 in the wild and no public exploit code.

Sources

Also known as GHSA-pgcr-99wx-x435.

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