TI-2026-71894 Aliases CVE-2026-10759 GHSA-pgcr-99wx-x435

LDAP injection in Esri Portal for ArcGIS administrative functionality

LOW 24CWE-90Published 2026-10-13 · Updated 2026-10-26

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Esri Portal for ArcGIS from 0 through 12.1 is affected by an LDAP injection flaw (CWE-90). Its administrative functionality builds Active Directory or LDAP search queries without sufficiently neutralizing input. An authenticated administrator can supply crafted input that changes the intended query and causes unintended directory operations.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00247 16th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Esri	Portal for ArcGIS	up to 12.1	—	No fix listed	CNA

Portal for ArcGIS VendorEsri Affected up to 12.1 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:esri:portal_for_arcgis::::::::	—	—	Esri

cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:* Versions — — ·Esri

Remediation

The sources list no fixed version for Portal for ArcGIS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

2026-10-13 Threatist record created from CVE-2026-10759
2026-10-13 Alias added: GHSA-pgcr-99wx-x435
2026-10-13 CISA SSVC decision points changed
2026-10-13 Priority changed: MEDIUM → LOW
2026-10-26 Affected versions changed · CNA

References

Other 1

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin

TI-2024-16901 Portal for ArcGIS has a directory traversal vulnerability. CVSS 3.1CRITICAL 9.9
TI-2012-01450 ESRI ArcMap 9 and ArcGIS 10.0.2.3200 and earlier does not properly prompt users before… CVSS 2.0HIGH 9.3
TI-2007-01695 Buffer overflow in the ArcSDE service (giomgr) in Environmental Systems Research… CVSS 2.0HIGH 10.0
TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
TI-2026-11074 Missing authentication in Esri Portal for ArcGIS CVSS 3.1CRITICAL 9.8
TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0

See all 194 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences