Medium severity · published Oct 13, 2026
CVE-2026-10759
BUG-000171040 Portal for ArcGIS has a security vulnerability
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Portal for ArcGIS · Esri
through 12.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10759
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10759
www.esri.com
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin
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