Vulnerability · Published Oct 13, 2026 · Assigned by Esri
CVE-2026-10759BUG-000171040 Portal for ArcGIS has a security vulnerability
Medium 5.5
In plain English
A medium-severity security flaw in Portal for ArcGIS from Esri. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 83.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Esri | Portal for ArcGIS | 0 – through 12.1 |
Weakness: CWE-90 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N